Description
Chain-driven power loss and premature sprocket wear cut into your lap times and increase maintenance costs. The SUPERSPROX Countershaft Sprocket delivers factory-team durability with a hardened surface layer that reduces friction while grooved teeth keep dirt cleared in harsh conditions. Built from SCM-435 carbon-free steel and radially lightened, this 17-tooth countershaft sprocket handles both street and off-road punishment without compromise.
- SCM-435 carbon-free steel
- Ultra-hard surface layer (.5mm)
- Radial lightening holes
- Grooved teeth design
- Zero friction impregnation
- 17-tooth configuration
- MPN: CST-579-17-2
- Factory racing specification
- Street and off-road rated
- Reduced chain drag
- Extended sprocket lifespan
- Bolt-on installation









