-CNC machined from 6061 Aluminum in the USA!

-The Imperial is “bolt on” style and requires a sprocket bolt to be attached to crank arm.

-22mm Bore, comes with 19mm silver steel insert.

-3/32″ tooth width (Works with 1/8" chains) 

Colors may vary batch to batch. This is part of the anodizing process. If color matching is truly important to you, please feel free to reach out for a current picture of what we have on hand. Or, we suggest going to your local bike shop to get the best color match possible.