If you want the gears on your road bike to shift smoothly and remain slick for mile after mile, you need Shimano's Road Gear Cable Set. Using their legendary SP41 outer cables with stainless steel inner wires, this kit has all you need to get your road bike's drivetrain shifting smoothly again.Includes all you need to refresh your road bike's gear cablesStainless steel inner wire is smooth and has high corrosion resistancePre-lubed SP41 outer cable reduces system frictionOuter casing is lined with a polymer sheeth to improve durabilityIncludes 1.2mm inner wires (2 x 2000mm), 4mm black outer casing (2 x 600mm and 1 x 320mm) and all end capsShimano's gear cables have a legendary status, offering smooth, slick shifting that lasts mile after mile. The key to this kit is the way the outer and inner cable work together to reduce friction and improve durability. The outer cable is pre-lubed with a low-friction silicone grease to help the inner cable slide smoothly through the housing, while t