Lewis LH4 Axial Cylinder 4 Pistons Hydraulic Disc Brakeset.
Enduro, Downhill, All-Mountain.
Patented 2 in 1 dual adjustment for Lever reach & Bite point.
Front+Rear Brakes weight = 597g(Oil Hose included), 380g if without Oil Hose.
14mm+17mm 4 Stainless steel pistons with TP-37 Brake Pads. Hope E4 shape pads.
Upgraded Split clamps.
Easy Bleeding Technology.
Mineral Oil and Kevlar hose K28.
High-precision CNC Machine Cutting technology.
Powerful but predictable braking force.  
Ultra light lever action, Great Modulation
Bearing pivots provide superior modulation and feel.