The Bully Chainwheel Sprocket is made in the USA from CNC machined aluminum. It's 3/16" thick and features a split 5 spoke design to save weight, while providing 5 sprocket bolt holes to help maximize Sprocket life.
Thickness: 3/16" (4.7mm)
Adapter: 19mm Included
Size: 25T / 28T
Color: Black, Blue, Gold, Purple & Red