Description
If you’re running a 15-tooth countershaft sprocket, material quality directly impacts your power delivery and longevity. This SUPERSPROX unit uses SCM-435 carbon-free steel with a hardened surface layer that cuts friction losses and extends sprocket life well beyond standard alternatives. Whether you’re pushing hard on the track or logging hours off-road, you need a sprocket engineered to survive real racing conditions—not just survive them, but perform.
- SCM-435 carbon-free steel
- Ultra-hard surface layer (.5mm)
- Radial lightening holes
- Grooved teeth design
- Reduced chain drag friction
- Factory team specification
- Bolt-on installation
- Off-road and street rated
- MPN: CST-740-15-2
- 15-tooth configuration
