- Affordable and durable steel threaded cogs from Jitsie.
- Industry standard 1.37" x 24tpi thread fits fixed rear hubs and threaded cranks.
- Wide base gives a strong connection between the sprocket and hub/crank.
- Made from heat-treated steel
- Compatible with all 1/8" and 3/32" chains.
- 12t-14t are offset, 15t is centered.