The Fly Tractor XL Sprocket sees their popular Tractor Sprocket get a serious upgrade to durability & functionality. CNC machined from 7075 aluminium but for the XL model it's now 16mm thick! A serious upgrade making this sprocket pretty much indestructible. It also features a sunken crank arm fitting to give a stronger connection & relieving stress on the crank bolt. The Tractor XL Sprocket can be run on 19mm, 22mm & 24mm cranks with the supplied adapters. section Product Specs TYPE: Bolt On
Material: Alloy WEIGHT: 90.7g (3.2oz)