kmc ketting 1 2 3 32 100 k1sl narrow silverThe KMC K1SL Nickel is a high quality and ultralight single speed bicycle chain, perfect for BMX, track bikes, fixed gear, and bikes with internal gears. Thanks to its nickel plated finish, this chain offers excellent corrosion resistance and a long lifespan. Key features: Suitable for single speed, BMX, track, and fixed gear bikes strong and reliable. Includes MissingLink easy, tool free installation and maintenance. Lightweight design for better