ANKE MTB Hydraulic Disc Brakes ★You can choose from: FF (Front Left): Left hand controls the front brake; oil tube length is 800mm. RR (Rear Right): Right hand controls the rear brake; oil tube length is 1400mm. RF (Front Right): Right hand controls the front brake; oil tube length is 800mm. LR (Rear Left): Left hand controls the rear brake; oil tube length is 1400mm. The left and right sides above refer to the brake lever installation position, depending on your preference. ★Material: Aluminum alloy ★Type: Oil brake ★Category: Two-way hydraulic disc brake ★Color: Black, red, blue, purple, gold, green ★Caliber: 22.2mm outer diameter handlebar (applicable to all bicycles) ★Applicable model: Mountain bike ★Brake fluid: Mineral oil ★When the brake pads are worn, simply adjust the knob to reduce the distance between the two brake pads. This will ensure optimal braking feel and maintain good braking performance for longer. However, when wear reaches a certain level, it is recommended to replace the brake pads immediately. ★Applicable to rotor: 160mm (6-pin, universal, suitable for mid-lock disc) Need to change your seatpost from 180/203mm? ★Length: Front brake - 800mm Rear brake - 1400mm ★Weight: Front brake - 287g Rear brake - 304g One set - 591g