CNC Aluminum Heavy Duty Bicycle Engine Sprocket Adapter For Motorized Bikes - 40 Tooth

This all aluminum tri-legged rear sprocket clamp makes it easy to install your rear drive sprocket and get it turning true while eliminating any risk of bending or warping your spokes! Compatible with 37.5mm rear bicycle hubs.

See our sprocket guide for help with choosing the right size sprocket to best suit your needs.