1、High Strength: High tensile strength, no rust, smoother, improved handling performance and durability. 2、Cable Function: Low temperature resistance, high strength and heat resistance, durable, can add better performance to the bicycle. 3、Shift Cable: Made of metal, it can provide smooth movement and stronger corrosion resistance, sturdy and durable. 4、Help Regulate Speed: Low friction and sturdy slip line, suitable for speed control system, convenient and easy to install. 5、Applicable Model: Suitable for mountain bikes, 5 brake cable cores, 5 variable speed cable cores, brake cable core: Ø 1.5x1700mm/0.1x66.9in, variable speed cable core: Ø1.2x2050mm/0.1x80.7in. Item Type: Bike Shift Gear Brake Cable Core Material: Metal Specification: SD55 Color: As Picture Shown Weight: Approx.173g/6.1oz Application: Mountain Bike Brake Cable Core: Ø1.5x1700mm/0.1x66.9in Variable Speed Cable Core: Ø1.2x2050mm/0.1x80.7in 5 x Brake Cable Core 5 x Variable Speed Cable Core 10 x Cable Tail Cap