Brake Cable Length: Rear brake cables are 68.8", Front: 29". Brake line cables are Rear: 61"" Front - 22". Complete Bike Brake Kit: 2 pairs of brakes (with elbow and screws), 1 pair of black aluminum alloy brake handlebars, 1 front brake cable, 1 rear brake cable, 1 multi-tool, 1 multi-wrench and installation tools for easy installation. Premium durable aluminum alloy as well as plastic and rubber for the bike brake kit, they are very strong and resistant to cold, heat and oxidation, and it is not easy to lose shape, because the brake cable is made of black polyurethane, which makes the cable more durable. How to install: First to install the brake on the bike (the holes match the holes), then pass the brake cables through the brake wire tube. and fix the position of the metal tube, then fix the brake cable to the screw. and the brake caps. To adjust the length, distance and position of the brake hose and fix the brake line wellUniversal Use: These V brakes are suitable for the front and rear wheels of mountain bikes, racing bikes, folding bikes and hybrid bikes. Note: Our V brakes are suitable for models with brake mounting holes.