- Splined cogs from Echo as found on their complete bikes.
- Designed fit the drive shells on 2016 and newer Echo splined hubs, not compatible with standard Shimano spline hubs or older Echo splined hubs.
- Manufactured from high quality, durable ChroMo steel.
- Wide base prevents cogs from digging into the driveshell
- Compatible with all 1/8" and 3/32" chains.
- Black finish.
Weight 12t: 25g
Weight 13t: 27g
Weight 14t: 33g
Weight 15t: 37g
Weight 16t: 43g
Base Width: 7.5mm