Nice riding accessories: stainless steel strong PVC coated cable, smooth, wear-resistant, improve the speed of the smoothness, providing better using experience to your riding trip . Quality material: PVC material, the shell is treated with special technology, cold resistant, heat resistant and oxidation resistant, can achieve the minimum deformation in the work, ensure the brake sensitive, suitable for all kinds of extreme weather conditions riding . Variable speed cable: 2 meters cable housing (outer diameter is 4 mm), the length of front variable speed cable is 1.55 meters, the length of rear variable speed cable is 2.1 cm Cable collars, cable ends and O-ring connections, they help keep gears shifting well and provide safety for cyclists . Package includes: 1 x 2 m variable speed wire outer tube (black 4 mm), 4 x variable speed wire inner tube, 3 x O-ring, 4 x tail sleeve, 4 x brake copper sleeve,10 x variable speed sleeve cap, enough for your daily use and replacement . Applicable scope: this bike shifter cable and brake cable housing replacement kit is suitable for mountain bike, road bike, small wheel bike, folding bike wire pipe loading, wire pipe maintenance and upgrading, etc. You can tailor it to the suitable length of your bike .