Lewis AE 4 Piston Hydraulic Bicycle Disc Brake Kit
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Description
Lewis AE: The Better Budget Shimano of Brakes
Lewis has redefined what is possible in a lower-tier brake with the Lewis AE Axial Cylinder Brake. By combining a One-Piece Monoblock CNC Caliper with a snappy Axial Master Cylinder, the AE delivers the rock-solid power that aggressive riders love, but with the modulation and build quality usually reserved for boutique brands.
The AE ("Axial Evolution") is tuned for riders who prefer a **firm, substantial lever feel**. Unlike the lighter, more progressive feel of the LH series, the AE provides high feedback force—think of the immediate bite of a Shimano, but with the premium CNC finish.
Why the Lewis AE Stands Out:
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Monoblock CNC Caliper: While most brakes in this category use a bolted 2-piece caliper, the AE features a One-Piece Monoblock 7075-T6 Aluminum caliper. This eliminates body flex, ensuring that every ounce of pressure goes directly into the pads for consistent power.
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Axial Master Cylinder: The classic axial design pumps fluid directly in line with the piston, creating a crisp, responsive engagement point. If you like your brakes to bite hard and fast, this is the system for you.
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4-Bearing Lever Pivot: Say goodbye to plastic bushings. The AE lever glides on 4 precision sealed cartridge bearings. This ensures silky-smooth operation, zero lever "slop," and long-term durability. Bearings in a brake at this cost is substantial!
- Asymmetric 4-Piston Layout: The caliper houses 2 x 14mm and 2 x 17mm Stainless Steel pistons. The smaller leading pistons contact the rotor first for initial control, followed by the larger trailing pistons for maximum stopping power.
Mechanic's Note (Pad Compatibility): The Lewis AE uses the Hope Tech 3 E4 brake pad shape (Lewis Model TP-37/LP-37). You can find replacement pads—sintered, organic, or ceramic—at almost any bike shop worldwide.
Configuration:
These brakes are sold in the standard configuration:
- Left Lever: Front Brake (90cm Hose)
- Right Lever: Rear Brake (165cm Hose)
Note: The levers feature a "Flip-Flop" design. If you ride "Moto Style" (Right/Front), you can easily unbolt and swap the hoses to reverse the configuration.
What’s in the Box?
- Front & Rear AE Caliper + Lever Assemblies (Pre-bled)
- Mounting Hardware (Stainless bolts + washers)
- 2 x Hose Fittings/Olives (For shortening hoses)
- Bleed Blocks
- Lewis Brake Pads (Pre-installed)
Specifications:
- Intended Use: Enduro / Trail / Downhill
- Master Cylinder: Axial (Firm Feel)
- Pistons: 4 x Stainless Steel (14mm + 17mm)
- Material: Monoblock CNC 7075 T6 Aluminum
- Fluid: Mineral Oil
- Adjustment: Tool-Free Reach Adjust
- Pad Compatibility: Hope Tech 3 E4 / Lewis VP-37 / Lewis TP-37 / Lewis LP-37
- Hoses: Braided (T150 Front / T200 Rear)
- Weight: ~220g per side (Lever + Caliper)
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