KMC K1 Wide (formerly called the K710 KOOL) BMX chain (or for other single speed applications with 1/8" drivetrains) Color: NICKEL outer links / BLACK inner links Size: 1/2" X 1/8" Length: 112 links Dynamic configuration plates Stretchproof mushroomed hollow pin Anti drop design Comes with matching "Missing Link" master link that has the same shape as the other links in this chain.