Specifications:
Outer diameter: 4"
Bore diameter: 3/4"
Axle key/keyway: 3/16"
This sprocket brake hub works with a wide range of go-karts, dune buggies, and other off-road powersports machines. The mounting hardware (shaft key, bolts, & nuts) is included.
Please make sure you have the right shaft size before placing your order.