The Salt Comp Sprocket was designed to be the msot affordable, yet reliable six-spoke alloy sprocket going. The perfect upgrade for any beginner looking to improve their complete. Built from 6061-T6 alloy it's tougher than any steel sprocket and fits all 1-piece and 3-piece cranks of any size thanks to the supplied 19mm and 22m spindles adapters. ###section### Product Specs TYPE: Bolt On MATERIAL: Alloy WEIGHT: 57.8g (2.04oz) Colour: Black, Oil Slick; Size: 25t