Lewis BB2 Dual Pistons Flat Mount Brake for Roadbike Gravel | Super Lightweight Design Stainless Steel & Titanium Screw Bolt Alternative for Hope RX4+ | Worldwide Shipping

*Front and Rear Caliper are identical

*Stainless steel bolt version only, Titanium bolt version upgraded to BB2-SLR

2 x 21mm-piston-design for strong braking power

Brake mount: flatmount

FM size is 34mm

Oil: Mineral oil or DOT

High-precision CNC machining from 7075 T6 Aluminum technology

BB2-Stainless Steel Bolt weight: 96.4g

Increase the thickness of the inner wall of the caliper, higher strength, adapt to high-intensity environment

Larger piston floating clearance for better compatibility with other brake levers, reducing compatibility issues due to caliper replacement.