Product Review

The AlveyTech 4" sprocket brake hub with a 1" bore & 1/4" keyway is adaptable to a wide range of go-karts, dune buggies, and other off-road powersports machines.

The mounting hardware (1/4" shaft key, bolts, & nuts) is included.

Specifications:
Outer diameter: 4"
Bore diameter: 1"
Axle key/keyway: 1/4"