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Orders Over $499 Ship Free!
Monthly Deals & Discounts
1% Donated To Trail Building
Orders Over $499 Ship Free!
Monthly Deals & Discounts
1% Donated To Trail Building
Orders Over $499 Ship Free!
Monthly Deals & Discounts
1% Donated To Trail Building
Orders Over $499 Ship Free!
Monthly Deals & Discounts
1% Donated To Trail Building
Orders Over $499 Ship Free!
Monthly Deals & Discounts
1% Donated To Trail Building
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$15.00
Sumart Semi-Metallic Disc Brake Pads — SRAM Level / Red / Force / Rival AXS
Lightweight feel. Confident control. Proven consistency.
Sumart Semi-Metallic Pads are designed for SRAM’s 2-piston performance brakes, delivering smooth, predictable braking with low noise and long-lasting durability. Whether on the road, gravel, or XC trail, these pads provide reliable all-weather stopping power while preserving the responsive lever feel SRAM riders expect.
🔧 Compatibility
Fits the following SRAM 2-piston brake systems:
- SRAM Level
- SRAM Level T / TL / TLM / Ultimate
- SRAM Level Stealth 2-Piston
- SRAM Red / Red eTap AXS
- SRAM Force / Force AXS
- SRAM Rival AXS
⚙️ Key Features
- Semi-Metallic Compound: Balances metallic bite with organic-style smoothness for quiet, reliable braking.
- All-Condition Performance: Maintains consistent braking power in dry, wet, and mixed conditions.
- Rotor-Friendly Design: Helps extend rotor life while providing confident stopping power.
- Steel Backplate: Provides stiffness and supports even pad wear under braking loads.
- Easy Installation: Direct OEM replacement; includes spring and retaining clip.
🚴 Ideal For
Road, gravel, and cross-country riders who value low noise, smooth modulation, and dependable performance in every condition.
Additional Details
- Brand: Sumart
- Compound: Semi-Metallic
- Includes: 2 pads (1 caliper set), spring, and retaining clip
$15.00
Sumart Semi-Metallic Disc Brake Pads — SRAM Maven
Maximum power. Controlled precision. Built for the steep.
Sumart Semi-Metallic Pads are purpose-built for SRAM’s most powerful brake system: Maven. Engineered to handle sustained heat and massive braking forces, these pads deliver dependable stopping power and smooth modulation on the longest descents. With a semi-metallic compound tuned for low noise and controlled feel, they are ideal for downhill, e-MTB, and enduro riders pushing hard in demanding terrain.
🔧 Compatibility
Fits the following SRAM 4-piston brake systems:
- SRAM Maven Ultimate
- SRAM Maven Silver
- SRAM Maven Bronze
Note: These pads are specific to SRAM’s Maven 4-piston platform and are not interchangeable with Code, Guide, or G2 pad shapes.
⚙️ Key Features
- Semi-Metallic Compound: Delivers high braking torque with smooth lever feel and minimal noise.
- Extreme Heat Resistance: Designed for consistent performance on long, technical descents.
- Rotor-Friendly Formula: Helps maintain rotor life while providing reliable bite and fade control.
- Steel Backplate: Adds stiffness and stability for even wear and consistent braking pressure.
- Direct OEM Replacement: Includes spring and retaining clip for easy installation.
🚵 Ideal For
Downhill, e-MTB, and enduro riders who demand maximum stopping power, fade resistance, and precise modulation in extreme conditions.
Additional Details
- Brand: Sumart
- Compound: Semi-Metallic
- Includes: 2 pads (1 caliper set) and spring
$15.00
Sumart Semi-Metallic Disc Brake Pads — SRAM Road & Level Series
Engineered for precision braking and all-condition performance.
Sumart Semi-Metallic Pads combine smooth modulation with reliable stopping power, giving you confidence on every descent—whether you’re sprinting through a crit or tackling a wet gravel descent. Designed as a direct replacement for SRAM Monoblock and 2-piece calipers, these pads balance quiet operation, control, and rotor longevity.
🔧 Compatibility
Fits the following SRAM 2-piston hydraulic calipers:
- SRAM Red / Red eTap AXS (Monoblock)
- SRAM Force / Force AXS (Monoblock)
- SRAM Level TLM
- SRAM Level Ultimate (Level Ult)
- SRAM 2-Piece HydroR Calipers
⚙️ Key Features
- Semi-Metallic Compound: Combines the bite of metallic pads with the quiet, progressive feel of organic-style compounds.
- All-Weather Performance: Consistent braking in dry, wet, and mixed riding conditions.
- Low Rotor Wear: Helps protect rotors while maintaining a strong, predictable lever feel.
- Steel Backplate: Provides stiffness and even pad contact for stable braking pressure.
- Easy Installation: Direct OEM replacement; includes spring and retaining hardware.
🚴 Ideal For
Road, gravel, and cross-country riders who want balanced performance with quiet operation, dependable bite, and heat resistance.
Additional Details
- Brand: Sumart
- Compound: Semi-Metallic
- Includes: 2 pads (1 caliper set), spring, and retaining hardware
$15.00
Sumart Semi-Metallic Disc Brake Pads — Shimano XTR / Deore / SLX 2-Piston
Precision feel. Reliable power. Classic Shimano fit.
Sumart Semi-Metallic Pads are built for riders who want smooth modulation and dependable all-weather performance from their 2-piston Shimano brakes. Designed as a direct replacement for classic Shimano M06 / B01S-style applications, these pads combine the quiet control of organic-style compounds with the added durability of metallic materials, making them well suited for cross-country, trail, commuting, and general-purpose riding.
🔧 Compatibility
Fits the following Shimano 2-piston hydraulic calipers (M06 / B01S pad style):
- XTR: BR-M965, BR-M975
- XT: BR-M765, BR-M775, BR-M776
- SLX: BR-M665
- Saint: BR-M800, BR-M810
- Deore: BR-M535, BR-M595, BR-M596
- LX / Alfine / Non-Series: BR-M585, BR-T665, BR-T675, BR-R505, BR-S501, BR-M525, BR-M575
Also compatible with equivalent Tektro / TRP Auriga, Draco, Orion and other Shimano-pattern 2-piston calipers.
⚙️ Key Features
- Semi-Metallic Compound: Blends metallic bite with organic-style smoothness for quiet, predictable braking.
- All-Weather Performance: Maintains control in wet, dry, and dusty riding conditions.
- Steel Backplate: Provides strength and even heat transfer for a consistent lever feel.
- Rotor-Friendly Formula: Helps reduce rotor wear while maintaining dependable stopping power.
- Direct OEM Replacement: Includes spring and retaining pin for straightforward installation with no modification required.
🚴 Ideal For
Cross-country, trail, gravel, and city riders seeking smooth, fade-resistant braking with long pad life and quiet operation.
Additional Details
- Brand: Sumart
- Compound: Semi-Metallic
- Includes: 2 pads (1 caliper set), spring, and retaining pin
$19.99
Sumart GP-2004 Dual Lock-On Bike Grips
Secure grip, all-day comfort, and confident control for trail, commuting, and everyday riding.
The Sumart GP-2004 Dual Lock-On Bike Grips are designed for riders who want a more secure handlebar feel, better hand comfort, and dependable grip in changing conditions. Built with a soft rubber compound, an ergonomic profile, and dual lock-on aluminum collars, these grips are made to stay firmly in place while delivering the comfort and traction riders need on everything from rough singletrack to daily commutes.
Whether you are upgrading worn stock grips or dialing in a new bike build, the GP-2004 offers a practical balance of comfort, control, and easy installation. The textured surface pattern is designed to improve traction in both wet and dry conditions, while the contoured grip shape helps reduce hand fatigue on longer rides. For riders who value predictable bar feel and a secure connection to the bike, a quality lock-on grip can make a noticeable difference.
Key Features & Benefits
- Dual Lock-On Security: Aluminum lock rings at both ends help keep the grips firmly in place, reducing the chance of twisting or slipping during hard riding.
- Ergonomic Comfort: The contoured shape and soft-compound rubber are designed to improve comfort and help reduce hand fatigue over longer rides.
- Textured Traction Pattern: Block-pattern surface helps improve grip in dry, wet, and muddy conditions for more confident bar control.
- Soft Rubber Compound: Provides a comfortable hand feel while maintaining the grip needed for trail, gravel, commuting, and general bike use.
- Fits Standard 22.2 mm Handlebars: Compatible with the standard mountain bike and many flat-bar handlebar diameters for broad fitment.
- Adhesive-Free Installation: Installs with standard Allen keys, with no glue required, making replacement and service easier.
- Multiple Color Options: Available in Black, Red, Blue, Purple, Orange, and Green to match a wide range of bike builds.
Why Choose Lock-On Bike Grips?
A quality lock-on bike grip offers more security than push-on grips by reducing unwanted movement and making installation simpler. For riders pushing hard on trails, riding in wet weather, or just wanting a more reliable handlebar setup, dual lock-on grips provide a more secure feel and easier maintenance. The Sumart GP-2004 is built to give riders better bar control, more comfort, and a cleaner installation experience.
Specifications
- Model Number: GP-2004
- Grip Type: Dual Lock-On
- Clamp Material: Anodized Aluminum
- Grip Material: Soft-Compound Rubber
- Bar Compatibility: Standard 22.2 mm handlebars
- Color Options: Black, Red, Blue, Purple, Orange, Green
Ideal For
The Sumart GP-2004 Dual Lock-On Bike Grips are ideal for mountain bikers, commuters, gravel riders, and general cyclists looking for a comfortable lock-on grip with reliable traction and secure fitment. They are especially useful for riders who want better hand comfort, improved control, and a grip that stays put during aggressive or all-weather riding.
Upgrade your cockpit with the Sumart GP-2004, a dependable set of dual lock-on bike grips built for comfort, control, and long-term reliability.
From $65.00
SUMART FR3H Floating Disc Brake Rotor
Lightweight strength, better heat control, and consistent braking performance for road, gravel, trail, and race use.
The SUMART FR3H Floating Disc Brake Rotor is engineered for riders who want stronger, smoother, and more consistent braking without adding unnecessary weight. Built with a 7075 aluminum carrier and a 410 stainless steel braking band, the FR3H is designed to improve heat management, reduce noise, and deliver dependable stopping power in demanding conditions. Whether you are upgrading your bike for trail riding, road cycling, gravel riding, or racing, this floating disc brake rotor offers the control, durability, and braking confidence serious riders need.
The floating design allows the outer braking track and inner carrier to work more effectively under heat and load. That means more stable braking feel on long descents, more consistent rotor performance, and less chance of unwanted vibration or distortion when conditions get tough. For riders pushing hard in wet weather, fast descents, or repeated braking zones, the FR3H is built to maintain performance when it matters most.
Key Features & Benefits
- Floating Rotor Design: The floating construction helps the rotor manage heat expansion more effectively, improving braking consistency and helping reduce the risk of warping under heavy use.
- 7075 Aluminum Carrier: A lightweight, high-strength carrier reduces rotating mass while maintaining the rigidity needed for confident braking performance.
- 410 Stainless Steel Braking Band: The braking surface is built for wear resistance, corrosion resistance, and dependable stopping power in a wide range of riding conditions.
- Improved Heat Dissipation: Better thermal control helps maintain brake feel on long descents and during repeated hard braking, which is especially valuable for aggressive riding and racing.
- Reduced Brake Noise: Designed to help minimize squeal and unwanted brake drag for a quieter, smoother ride.
- Consistent Lever Feel: Stable braking surfaces and quality materials help provide a more predictable, controlled feel at the lever.
- Ready to Install: Includes 6 mounting bolts for fast, straightforward installation.
Why Choose a Floating Disc Brake Rotor?
A floating bike brake rotor is designed to better handle heat and stress than a one-piece rotor. By allowing controlled movement between the braking band and carrier, floating rotors can improve heat management, maintain truer braking performance, and provide a more consistent feel during demanding riding. For riders who want better braking control, lower noise, and improved rotor stability, a floating rotor is a smart upgrade.
Specifications
- Model: FR3H
- Rotor Type: Floating disc brake rotor
- Available Sizes: 160 mm, 180 mm, 203 mm, 220 mm, 254 mm
- Thickness: 1.8 mm, 2.25 mm (254 mm rotor)
- Carrier Material: 7075 Aluminum Alloy
- Braking Band Material: 410 Stainless Steel
- Color: Black
- Mount Type: 6-bolt
- Included: 1 floating disc brake rotor and 6 bolts
Ideal For
The SUMART FR3H is ideal for riders looking for a lightweight 6-bolt brake rotor with reliable stopping power, better heat resistance, and smoother performance. It is well suited for mountain bikes, gravel bikes, road bikes, trail bikes, and race bikes where braking consistency, reduced noise, and long-term durability matter.
Performance You Can Feel
From steep descents to everyday riding, the SUMART FR3H Floating Disc Brake Rotor is built to give riders more confidence at the lever. With premium materials, floating construction, and performance-focused design, it is a strong upgrade for anyone looking for a high-performance disc brake rotor that delivers smooth braking, reliable control, and lasting value.
$59.99
Sumart FWT-30 Freewheel Turner / Cassette Pliers
Strong grip, high leverage, and dependable performance for cassette and freewheel service.
The Sumart FWT-30 Freewheel Turner / Cassette Pliers is a heavy-duty drivetrain service tool designed to help mechanics hold cassettes and freewheels securely during removal and installation. Built from durable 45# carbon steel with a chrome-plated finish, the FWT-30 is made for repeated workshop use while resisting corrosion and wear. Its long 300 mm handle length provides the leverage needed to tackle stubborn drivetrains with more control and less effort.
Whether you are replacing a worn cassette, servicing a freewheel, or performing general bike drivetrain maintenance, the FWT-30 gives you a more stable grip on sprockets so you can work more efficiently and with less frustration. Designed for compatibility with a broad range of modern drivetrains, it is a practical addition to both home workshops and professional service benches.
Key Features & Benefits
- Wide Drivetrain Compatibility: Works with 7, 8, 9, 10, 11, and 12-speed cassettes as well as threaded freewheels, making it a versatile tool for many repair jobs.
- Secure Sprocket Grip: Designed to hold cogs firmly during cassette or freewheel service, helping prevent slipping while improving working control.
- Fits Up to 28T Sprockets: Supports sprockets up to 28 teeth or approximately 11.4 cm in diameter.
- 300 mm Length for Better Leverage: Long handles help increase torque and reduce hand fatigue when loosening tight or seized components.
- 45# Carbon Steel Construction: Provides the strength needed for repeated drivetrain service and demanding workshop use.
- Chrome-Plated Finish: Helps resist corrosion and wear for longer-lasting durability in shop environments.
- Useful for Home and Pro Mechanics: A practical tool for bike shops, home repair stands, and riders who perform their own drivetrain maintenance.
Why Use Cassette Pliers?
When removing a cassette or servicing a freewheel, holding the sprockets securely is essential for safe and efficient work. A dedicated cassette pliers tool gives you much more control than improvised methods, helping reduce slippage, protect components, and make drivetrain service easier. The Sumart FWT-30 is designed to improve grip and leverage so you can complete cassette and freewheel jobs more quickly and with greater confidence.
Specifications
- Model: FWT-30
- Product Type: Freewheel turner / cassette pliers
- Material: 45# Carbon Steel
- Surface Finish: Chrome Plated
- Maximum Sprocket Size: 28T (11.4 cm)
- Length: 300 mm
- Compatibility: 7 / 8 / 9 / 10 / 11 / 12-speed cassettes and threaded freewheels
Ideal For
The Sumart FWT-30 Freewheel Turner / Cassette Pliers is ideal for home mechanics, bike shops, and service technicians who need a reliable cassette removal tool for routine drivetrain maintenance. It is well suited for servicing road bikes, mountain bikes, gravel bikes, commuter bikes, and other bicycles using multi-speed cassette or freewheel systems.
Tackle stubborn cassettes and freewheels with more confidence using the Sumart FWT-30, a durable bike tool built for grip, leverage, and dependable workshop performance.
$39.99
Sumart CRK-4 Internal Cable Routing Kit
Make internal cable routing faster, cleaner, and far less frustrating.
The Sumart CRK-4 Internal Cable Routing Kit is an all-in-one solution for routing brake hoses, shift cables, and Di2 wires through modern bike frames and handlebars. Designed to simplify one of the most tedious parts of bike assembly and service, this kit includes magnet-tipped routing cables, a magnet guide tool, and multiple adapter tips to help you guide lines through even complicated internal frame layouts with more control and less hassle.
Whether you are working on a carbon road bike, gravel bike, mountain bike, or a fully internally routed cockpit, the CRK-4 helps reduce installation time and lowers the chance of scratching components, fighting blind frame passages, or repeatedly re-running hoses and wires. It is a valuable tool for both professional bike mechanics and home mechanics who want cleaner, more efficient cable and hose installation.
Key Features & Benefits
- Complete Internal Routing Kit: Includes the essential tools needed to guide brake hoses, shift cables, and electronic wires through frames, forks, handlebars, downtubes, and chainstays.
- Magnet Guide Tool: A strong guide magnet helps pull and position routing cables through carbon or aluminum frame sections with greater control and less trial and error.
- 2.5 m Magnet-End Routing Cables: Long, flexible installation cables provide enough reach for full-length routing jobs on a wide range of bike frames.
- Versatile Adapter Tips: Includes adapter options for brake hose routing and Di2 wire installation, making the kit more useful across mechanical and electronic drivetrain setups.
- Faster, Cleaner Installation: Helps reduce shop time and installation frustration when compared with improvised routing methods.
- Professional and Home Shop Friendly: Useful for new bike builds, frame swaps, maintenance, and drivetrain or brake upgrades.
Why Use an Internal Cable Routing Kit?
Internal cable routing can be one of the most time-consuming parts of bike assembly, especially on frames with long internal passages, tight bends, or fully integrated cockpit routing. A dedicated bike internal cable routing kit makes the process more controlled and efficient by helping mechanics guide hoses and wires through the frame without repeated guesswork. The Sumart CRK-4 is designed to save time, reduce frustration, and make routing jobs more predictable on both mechanical and electronic bike setups.
Specifications
- Model: CRK-4
- Product Type: Internal cable routing kit
- Cable Length: 2.5 meters (magnet-end cables)
- Included Tools: Magnet guide tool, tapered adapter tip, and Di2 adapter tip
- Application: Internal routing of brake hoses, shift cables, and electronic wires
- Compatibility: Mechanical and electronic drivetrains
Ideal For
The Sumart CRK-4 Internal Cable Routing Kit is ideal for bike shops, home mechanics, and riders building or servicing modern bikes with internal routing. It is especially useful for road bikes, gravel bikes, mountain bikes, and internally routed cockpits where routing brake hoses, shift housing, and electronic wires can otherwise become slow and frustrating.
Take the headache out of internal routing with the Sumart CRK-4, a practical workshop tool built to make bike builds and maintenance faster, cleaner, and more efficient.
$39.99
Sumart AMP-254 Mini Tire & Shock Pump
Compact, high-pressure inflation for tires and suspension in one trail-ready pump.
The Sumart AMP-254 Mini Tire & Shock Pump is a compact, high-performance inflation tool designed for riders who want one pump that can handle both tire inflation and suspension shock setup. With switchable High Volume (HV) and High Pressure (HP) modes, the AMP-254 is built to cover everything from tubeless mountain bike tires to air shocks and forks. Its lightweight aluminum construction, ergonomic handle, and micro-adjust function make it a practical choice for riders who need accurate pressure control at home, in the shop, or on the trail.
For suspension tuning, precision matters. The AMP-254 features a 1–2 PSI micro-adjust button that helps fine-tune pressure without overshooting your target. That makes it easier to dial in fork and shock setup for rider weight, terrain, and ride feel. When switched to high-volume mode, the pump is also capable of moving more air for faster tire inflation, making it useful for everyday riding, race-day prep, and trail-side adjustments.
Key Features & Benefits
- Dual HV / HP Functionality: Switch between High Volume mode for tires and High Pressure mode for suspension components, giving you one compact pump for multiple inflation tasks.
- Up to 300 PSI: High-pressure capability makes it suitable for rear shocks, suspension forks, and other applications where accurate high PSI inflation is required.
- Micro-Adjust Pressure Button: Fine-tune pressure in small increments for more precise suspension setup and better ride consistency.
- Compact 10-Inch Length: Easy to carry in a pack, toolbox, or vehicle without taking up unnecessary space.
- Lightweight Aluminum Barrel: Durable construction helps keep overall weight down while maintaining strength for repeated use.
- Ergonomic Soft-Touch Handle: Designed for a more secure and comfortable grip during inflation.
- Versatile Trail and Shop Use: Useful for mountain bikes, gravel bikes, road bikes, and any setup requiring compact tire and shock inflation capability.
Presta Valve Compatibility Note
The AMP-254 includes a Presta valve adapter for broad bike compatibility. However, if your Presta valve uses a removable valve core, this style of adapter may not be ideal. Because it threads directly onto the valve, removing the adapter can sometimes loosen or unthread the core itself. For best results, use it with non-removable Presta valve cores or take extra care when removing the adapter.
Why This Pump Stands Out
Many compact bike pumps are optimized for either tire inflation or suspension pressure, but not both. The Sumart AMP-254 is designed to bridge that gap by combining high-volume bike pump capability with high-pressure shock pump performance in one portable package. That makes it a smart option for riders who want fewer tools, less bulk, and more flexibility when traveling, racing, or heading out for long rides.
Specifications
- Model: AMP-254
- Pump Type: Mini tire and shock pump
- Max Pressure: 300 PSI
- Length: 10 inches
- Modes: Switchable High Volume (HV) and High Pressure (HP)
- Material: Aluminum barrel with soft-touch handle
- Valve Compatibility: Presta (adapter included)
- Application: Tire and suspension shock inflation
Ideal For
The Sumart AMP-254 Mini Pump is ideal for riders who want a compact bike shock pump and mini tire pump in one tool. It is especially well suited for mountain bikers dialing in suspension, gravel riders managing tire pressure for mixed terrain, and cyclists who want a lightweight, portable inflation solution for travel, races, and on-the-go adjustments.
$120.00
Sumart STH-6 Sliding T-Handle Hex Tool Set
Precision, speed, and durability for serious wrenching.
The Sumart STH-6 Sliding T-Handle Hex Tool Set is designed for mechanics and riders who want strength, control, and efficiency in one compact kit. Constructed from high-grade CR-V (Chromium-Vanadium) steel, each tool offers excellent torque strength, wear resistance, and long-term durability. Whether you're working in the shop or making adjustments at the trailhead, the STH-6 delivers smooth spinning action, adjustable leverage, and organized storage in a premium roll-up pouch.
🔧 Key Features
- High-Strength CR-V Steel: Built for durability, corrosion resistance, and reliable long-term use.
- Sliding T-Handle Design: Adjust handle position quickly for added leverage or faster spinning.
- Ergonomic Feel: Balanced and comfortable in hand to reduce fatigue during repeated use.
- Portable Roll-Up Storage: Keeps the set organized, protected, and easy to transport.
- Six Essential Hex Sizes: Covers common fasteners for bikes, workshop tasks, and general mechanical use.
⚙️ Specifications
- Material: CR-V (Chromium-Vanadium) Steel
- Hex Sizes: 8 mm, 6 mm, 5 mm, 4 mm, 3 mm, 2.5 mm
- Handle Type: Sliding T-Handle / Spinning Bar
- Storage: Roll-up pouch
- Color: Silver tool body with blue sliding sleeve
- Pouch Dimensions: 28 × 3.5 cm
- Weight: 584 g
🚴 Ideal For
Professional mechanics, workshop technicians, and home users looking for a precise, portable, and efficient hex tool set with premium durability.
Additional Details
- Brand: Sumart
- Model: STH-6
- Type: Sliding T-Handle Hex Tool Set
- MSRP: $120.00 USD
$45.00
Sumart UBB-20 Universal Bleed Block & Piston Spreader
Protect pistons, set the correct pad gap, and make 2-piston brake bleeding cleaner and more consistent.
The Sumart UBB-20 Universal Bleed Block is designed to simplify hydraulic brake maintenance on 2-piston calipers. Built to help hold pistons in the correct position during bleeding and service, the UBB-20 protects delicate ceramic pistons, supports proper pad spacing, and helps mechanics achieve a more consistent brake setup with less guesswork.
This tool can also be used on 4-piston calipers as a piston spreader, though it is primarily intended as a bleed block for 2-piston systems. Whether you are servicing brakes in a professional workshop or maintaining your own bike at home, the UBB-20 is a practical tool for safer, cleaner, and more repeatable brake bleeds.
Key Features & Benefits
- Ceramic Piston Protection: Helps protect delicate brake pistons during bleeding and maintenance.
- Designed for 2-Piston Calipers: Built specifically for 2-piston hydraulic brake systems found on many bicycles.
- Also Useful as a Piston Spreader: Can be used on 4-piston calipers for piston spreading, even though it is not intended as a 4-piston bleed block.
- Adjustable by Hand or 3 mm Hex Key: Easy to fine-tune for a more precise fit during service.
- Broad Hydraulic Brake Use: A practical tool for brake bleeding, piston resetting, and general brake maintenance.
- Multiple Color Options: Available in several finishes to match your tools or bike build.
Why Use a Bleed Block?
A proper bleed block helps keep brake pistons correctly positioned during maintenance, which can improve bleed consistency and reduce the risk of accidental piston damage. On 2-piston brake systems especially, using the correct block can make brake bleeding faster, more repeatable, and less frustrating.
Specifications
- Model Number: UBB-20
- Product Type: Universal bleed block / piston spreader
- Primary Use: 2-piston hydraulic brake calipers
- Secondary Use: 4-piston calipers for piston spreading only
- Adjustment: Hand-adjustable or 3 mm Allen key
- Available Colors: Black, Red, Blue, Gold, Purple, Orange, Pink
Ideal For
The Sumart UBB-20 is ideal for bike shops, home mechanics, and riders servicing 2-piston hydraulic disc brakes. It is especially useful for brake bleeding, piston resetting, and routine hydraulic brake maintenance where piston protection and consistent pad spacing matter.
If you want a cleaner, more controlled way to service 2-piston brakes, the Sumart UBB-20 Universal Bleed Block is a smart addition to your maintenance toolkit.
$48.00
Sumart UBB-40 Universal Bleed Block & Piston Spreader
Protect pistons, set the correct pad gap, and make 4-piston brake bleeding cleaner and more consistent.
The Sumart UBB-40 Universal Bleed Block is designed to simplify hydraulic brake maintenance on 4-piston calipers. Built to help hold pistons in the correct position during bleeding and service, the UBB-40 protects delicate pistons, supports proper pad spacing, and helps mechanics achieve a more consistent brake setup with less guesswork.
Whether you are servicing brakes in a professional workshop or maintaining your own bike at home, the UBB-40 is a practical tool for safer, cleaner, and more repeatable brake bleeds. Its adjustable design lets you fine-tune the fit by hand or with a 3 mm hex key, making it easier to work across a wide range of compatible 4-piston brake systems.
Key Features & Benefits
- Universal 4-Piston Compatibility: Designed to work with most major 4-piston hydraulic disc brake systems.
- Dual Adjustment Options: Can be adjusted by hand or with a 3 mm hex key for more precise positioning.
- Piston Protection: Helps prevent damage to delicate brake pistons during bleeding and maintenance.
- Correct Pad Gap Setup: Supports proper spacing for smoother brake operation and more consistent lever feel after service.
- Workshop-Ready Construction: Built for repeated brake maintenance and regular workshop use.
- Multiple Color Options: Available in a wide range of finishes to match your tools or bike build.
Why Use a Bleed Block?
A proper bleed block helps keep brake pistons correctly positioned during maintenance, which can improve bleed consistency and reduce the risk of accidental piston damage. For 4-piston brakes especially, using the correct block can make brake bleeding faster, more repeatable, and less frustrating.
Specifications
- Model: UBB-40
- Product Type: Universal bleed block / piston spreader
- Compatibility: Most 4-piston hydraulic disc brake calipers
- Adjustment: Hand-adjustable or 3 mm hex key
- Weight: 55 g
- Country of Origin: Made in Taiwan
- Color Options: Black, Red, Blue, Gold, Purple, Orange, Pink, Green
Ideal For
The Sumart UBB-40 is ideal for bike shops, home mechanics, and riders servicing 4-piston hydraulic disc brakes. It is especially useful for brake bleeding, piston resetting, and routine hydraulic brake maintenance where piston protection and consistent pad spacing matter.
If you want a cleaner, more controlled way to service 4-piston brakes, the Sumart UBB-40 Universal Bleed Block is a smart addition to your brake maintenance toolkit.
$48.00
Elevate your bicycle maintenance routine with the Sumart UBB-60 Universal Bleed Block. This precision-engineered tool is designed specifically for 2-piston brake calipers and Magura calipers that require a slimmer profile. It serves as both a bleed block and a piston spreader, safeguarding delicate ceramic pistons during maintenance to ensure your hydraulic system remains in peak condition.
Note: This tool can also be used on 4-piston calipers for spreading pistons, but it serves as a bleed block for 2-piston systems only.
Key Features:
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Ceramic Piston Protection: Safeguards your brake system’s delicate ceramic pistons from damage during bleeding and maintenance.
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Engineered for 2-Piston & Magura Calipers: specifically designed for optimal compatibility with standard 2-piston systems and Magura calipers that have smaller tool openings.
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Bicycle-Specific Design: A trusted solution for cyclists looking for professional-grade bleed blocks and precise piston spreaders.
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Versatile Application: Seamlessly integrates with various hydraulic brake systems for broad usability.
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Effortless Adjustability: Easily adjust by hand for quick tweaks, or use a 3mm Allen key for enhanced precision.
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Bar-end Storage: Compact design allows you to store the tool inside your handlebar ends, so it's always ready for quick repairs.
- Vibrant Color Options: Available in Black, Red, Blue, Gold, Purple, Orange, or Pink to match your bike's style.
Specifications:
- Model Number: UBB-60
- Available Colors: Black, Red, Blue, Gold, Purple, Orange, Pink
Combine functionality with visual appeal. The UBB-60 Universal Bleed Block is the ultimate solution for effective brake maintenance, delivering professional-grade reliability for every repair.
$25.00
Sumart UDH-12 Universal Derailleur Hanger
Precise alignment, stronger impact resistance, and dependable drivetrain protection for modern MTB and e-MTB builds.
The Sumart UDH-12 Universal Derailleur Hanger is built for modern mountain bike and e-MTB drivetrains that require accurate derailleur alignment and dependable impact protection. Designed around the M12 x 1.0 derailleur hanger standard, the UDH-12 combines 7075-T6 aluminum with fiberglass-reinforced thermoplastic to create a hanger that balances stiffness, durability, and impact management. The result is a drivetrain component engineered to support smoother shifting while helping reduce the risk of damage during crashes, rock strikes, and other hard trail impacts.
Whether you are replacing a damaged hanger, carrying a spare for race day, or upgrading to a stronger derailleur hanger for aggressive riding, the UDH-12 is designed to keep your rear derailleur positioned correctly and your drivetrain running more consistently. Proper derailleur hanger alignment is critical for shift quality, drivetrain efficiency, and derailleur protection, especially on modern 12-speed mountain bike systems where small alignment issues can quickly affect performance.
Key Features & Benefits
- Universal Fitment Standard: Designed for compatibility with modern MTB and e-MTB frames that use the M12 x 1.0 universal derailleur hanger interface.
- 7075-T6 Aluminum Construction: Aerospace-grade aluminum provides excellent strength, rigidity, and precision for consistent derailleur positioning.
- Fiberglass-Reinforced Thermoplastic Protection: Reinforced polymer material helps absorb impacts and adds another layer of protection during crashes or drivetrain strikes.
- Improved Derailleur Protection: Built to help reduce the chances of more expensive derailleur or frame damage when the bike takes a hit.
- Precision Machining: Tight manufacturing tolerances support accurate derailleur alignment for cleaner, more reliable shifting.
- Professional Finish: Features a clean black finish with a laser-etched SUMART logo for a refined, workshop-quality appearance.
- Ideal Spare or Upgrade Part: A smart replacement to keep in your toolbox, race kit, or shop for quick derailleur hanger service.
Why a Quality Derailleur Hanger Matters
The derailleur hanger is one of the most important small parts in a drivetrain system. It helps position the rear derailleur correctly and is designed to take damage before more expensive components do. A properly made universal derailleur hanger can improve shifting accuracy, reduce drivetrain headaches, and provide valuable protection in a crash. For mountain bikes and e-bikes ridden in rough terrain, having a precise and durable hanger is essential for keeping the drivetrain working as intended.
Specifications
- Model Number: UDH-12
- Product Type: Universal derailleur hanger
- Thread Size: M12 x 1.0
- Material: 7075-T6 Aluminum and impact-resistant fiberglass-reinforced thermoplastic
- Use Case: MTB and e-MTB
- Color: Black
Ideal For
The Sumart UDH-12 is ideal for riders looking for a replacement derailleur hanger or a more durable hanger for mountain bike and e-bike use. It is especially well suited for trail riders, enduro riders, e-MTB owners, mechanics, and anyone who wants a universal derailleur hanger that supports accurate shifting and better impact protection.
Keep your drivetrain aligned, protected, and ready for hard use with the Sumart UDH-12 Universal Derailleur Hanger, a practical upgrade for riders who value shift quality, durability, and long-term drivetrain reliability.
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