Brand: IIIPRO Model: E4 Color: black Material: aluminum-magnesium alloy Length: Front brake 800mm; Rear brake 1550mm Brake pistons: 4 pistons Brake fluid type: Mineral brake fluid Weight: approx. 230g for the front brake; approx. 245 g for the rear brake; approx. 28 g for the screw. Brake For: Mountain bikes, DH,AM,folding bikes, electric bikes, etc. Control direction:The brake levers on one side are divided, so you can freely remove both levers to your usual braking direction according to your usage habits. It can be used as left front and right rear as well as left rear and right front. 4-piston brake: Smooth and even braking Cooling brake pads The ceramic multi-metal copper-based heat sink improves heat dissipation by 25%. ①Cylinder block ②M6 oil filler plug ③CNC anti-slip brake lev.