100% CNC machined from 1/4" thick 7075 aluminum plate in the USA. Multiple bore sizes available. 3/32 chain.
Sizes: 25t - 46t
Colors: Black, Gold, Silver, Red and Blue. Bore Sizes: 19mm traditional is our standard bore size. Other size are available Universal Spline Drive 22mm Traditional Mount 15/16" Traditional Mount Click here to add a custom bore size.