- Splined cog from Crewkerz.
- CNC machined from super tough Cro-Moly steel for maximum durability.
- Wide base gives a greater contact area between hub and sprocket, helping prevent 'dig-in' problems associated with narrow based sprockets.
- Compatible with Crewkerz and Bonz hubs as well as any other hub that uses the industry standard Shimano HG spline pattern.
- Compatible with all 1/8" and 3/32" chains.
- Black finish with laser etched product information.
Weight 12t: 31g
Weight 15t: 47g
Base Width 12t: 10mm
Base Width 15t: 7mm