KMC B1 Single Speed ChainThis high-quality chain is perfectly suited for single speed bikes as it offers powerful torque and excellent smoothness to get you through every run. It features a solid steel construction which handles all the abuse of a long session. Ready for all weather conditions, this brilliant model looks as amazing as it performs thanks to its nickel-plated finish which provides corrosion resistance and less friction. Features: Material: Nickel-plated Steel Use: Internal gear, BMX, fixed gear Speed: Single speed Size: 1/2x1/8" Pin Length: 9.2mm Links: 112Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.