The GT Overdrive sprocket is a modern update to the legendary mid-school Overdrive sprocket. It is CNC'd from 1/4" 6061 aluminum with a 15/16” (24mm) center bore and 19 & 22mm sprocket adapters are included. This sprocket is compatible with 19mm, 22mm and 24mm spindles.
Size: 25T
Color: Black & Silver
