Usage Tips:Complete : the bicycle brake set includes 2 pairs of black brakes (with elbow and screws), 1 pair of black aluminum alloy brake handlebars, 1 piece front brake cables and 1 piece rear , a complete set to meet your need of your bicycle installation; There are 6 productsProper size: the bike brakes' arch is . 110 mm/ 4.3 inches, brake pad is 55 mm/ 2.1 inches, brake cables are 2 m in length, bike brake handle is suitable for handlebars with a diameter of 2.2 cm/ 0.87 inches, which can be applied to most bikesQuality material: the brake housing set is made of Aluminum alloy, strong and durable enough for long time use, with resistance to cold, heat and oxidation, not easy to deform, ensuring the brake , suitable for most kinds of weather conditions of Easy to install: the bike brake lever set is simple to mount on the bikes, and you will easy to quickly replace the bike brake, making the process more and comfortable, improving your safety with a good reaction speedPractical functions: the bicycle brake rod is durable and has little burden on your bicycle, ensuring a and the brake set is simple and portable, great for items; Suitable for most mountain bikes and road bikes with brakes; Brake arm tension adjustable, /forks in the position, easy to adjust the spring in the internal brake bow tensionMaterial:Aluminum alloycolour:blackPackage Contents:1 * mountain bike brakes kitOnly 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.