Suitable for most bicycles, road bikes, mountain bikes, etc. material: This bicycle brake is made of metal, which is strong and enough to stop your bicycle in a short distance and has a long service life Good performance: mountain bike brakes can quickly adjust the tension spring, which can effectively reduce the speed of the bicycle or prevent it from running; an excellent choice for bicycle safety equipment to safety during riding Widely used: This bicycle brake device is suitable for most bicycles, road bicycles, , BMX; Reminder: you need to confirm whether your car has a mounting hole for this type of brake on the rear wheel, please check carefully before ordering Cable end caps: caps included can help prevent the cable ends from splitting and avoid you being poked by the split ends; Put the cap through the cable and clamp the cap to fix it firmly to the cable; They keep the cable nice and tidy. Material:metal colour:Black Package Contents: 2 pairs x brake 2 x Brake cable 4 x screw 2 x Wire core cap Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.