This Z1 Wide bike chain from KMC is the link between your trusty steelros and a smooth bike ride. The chain is compatible with single speed, internal, BMX, track and fixed gear. Includes a Snap On for opening and closing the chain. Features: Compatible with Single / internal / BMX / track / fixed gear Increased retention of chains Includes a Snap On Anti Drop Specifications: Color: silver Color designation: Nickel Plated Silver Code: BZ1WNP112 Material: Steel Number of speed: single Chain size: 1/2 x 1/8 inch Chain length: 112 links Pin length: 8.6 mm Snap On: yes Weight per 110 links: 375 grams Weight: approx. 0.349 kg