The Salt Pro Sprocket is built to be lightweight yet still incredibly strong catering to every type of rider. Built from 6061-T6 alloy that ensures the sprocket is tough, strong, durable while still being lightweight. It features a strengthened crank arm fix point and includes adapters for 19mm and 22mm spindles. ###section### Product Specs TYPE: Bolt On MATERIAL: Alloy WEIGHT: 80g (2.82oz) Colour: Oil Slick, Black, Red, Purple, Blue, Silver, Gold; Size: 25t