The Fit Key Sprocket has a clean & classic design that features an updated tooth profile giving better chain engagement & longer tooth life. It's made in the USA from CNC machined 7075 aluminium for maximum strength & durability with a unique cutout pattern to help drop some weight. The Fly Key Sprocket can be run on 19mm, 22mm & 24mm sprockets with the supplied adapters. section Product Specs TYPE: Bolt On
Material: Alloy WEIGHT: 65.2g (2.3oz)