KMC BMX chain Color: SILVER (NICKEL) outer links, BROWN inner links (this used to be called "black" inner links by KMC when it was the Z410 model, but KMC has finally admitted this color is brown - this color is the same as the Z410 they used to make and we sold for years) Size: 1/2" X 1/8" Length: 112L Model #: S1 Includes nickel "snap on" master link. Instructions on this new style of master link is included in the box with the chain.