Zoom HB 100 Hydraulic Disc Brake Calipers MTB Bike Brakes Front & Rear Caliper Set for Mountain, Road Bicycle and E (Black)

【Braking System】: Cable-actuated hydraulic disc brake 【Upgrade Design】: HB-100 uses a new hydraulic line pull clamp technology. The block of the HB-100 mechanical disc brake caliper is equipped with built-in brake oil, and then the brake clamp is used to control the line pulling hydraulic brake of the hydraulic clamp. The cylinder of the clamp is built-in brake oil 【Cable-Pull Hydraulic Caliper】: Front /Rear Disc calipers are made of premium aluminum material with oil cylinder-driven two-way brake pad movement， Braking is very smooth in the wettest conditions or the steepest downhills 【Adjust Tightness】: Bike disc brake sets has elastic fine adjustment screw help you fine-tune the inner brake line to achieve an ideal brake feel 【Compatible】: Suitable for mountain, road, folding bikes, E-bikes, and electric scooters（Note: Please do not remove the yellow pad before installation, and pinch the brake lever, otherwise it will cause oil leakage or scrap the oil disc）