Design for Ebike, eMTB / MTB please refer LHP S6 6 Piston brake   EP8+ with Lever Reach and Leverage Ratio Adjustment System adapts to different preferences for brake. Tailored for electric off-road motorcycles, such as Surron Light Bee, with a larger oil capacity to mitigate changes in feel due to wear. Constructed from aerospace-grade 7075 aluminum alloy, CNC precision-cut to achieve high strength with a lightweight design. Ultimate 8-piston, powerful braking performance, no more brake anxiety. Independent cooling fins design for better high temperature performance. Up to four precision bearings constitute each brake lever pivot, providing riders with an unparalleled braking experience characterized by stability and smoothness. Fluid: DOT 5.1 (Large oil reservoir design) Weight: Cylinder 149g, Caliper 307g Piston: 8 pistons (4x14mm+4x17mm) Rear Brake weight = 615g(Oil Hose included), 456g without Oil Hose Adapters for Lightbee = 305g