Subrosa's Hero Sprocket was designed and built to handle all kinds of abuse and finished with a look that stands out from the rest. Built from 6mm thick 7075-T6 alloy with a 5-spoke design that's stong and durable. The Hero features offset teeth for better chain alignment and comes with adapters to allow the Hero Sprocket to be run on 19mm, 22mm and 24mm cranks. ###section### Product Specs TYPE: Bolt On MATERIAL: Alloy WEIGHT: 161g (5.72oz) Colour: Polished, Teal Drip, Matte Black, Black, Army Green; Size: 25T, 32T, 28T