The S&M Chain Saw Sprocket is ready to give you as much pull as possible through the woods, the street and everything in between. Made in the USA from fully CNC machined 6061 aluminium for strength with three cutouts drastically reducing weight without sacrificing strength. The 24mm center can be run on 19mm and 22mm spindles with the supplied adapters. ###section### Product Specs TYPE: Bolt On MATERIAL: Alloy WEIGHT: 99.2g (3.5oz) Colour: Polished, Black, Red, Olive Drab, Gold, Dark Roast; Size: 39T, 44T, 36T, 30T, 33T, 42T