Description
A worn or suboptimal countershaft sprocket costs you power transfer efficiency and chain longevity on every ride. The SUPERSPROX 13-Tooth Countershaft Sprocket delivers factory-spec durability and lightweight construction engineered for both high-rpm street performance and demanding off-road conditions. Built to the same standards trusted by professional racing teams, this sprocket combines precision engineering with practical reliability—so you can focus on performance, not replacements.
- SCM-435 carbon-free steel
- Zero-breaking guarantee
- Ultra-hard surface layer
- .5mm impregnated coating
- Reduced friction design
- Radial lightening holes
- Grooved teeth profile
- Fast dirt removal
- Factory team specification
- 13-tooth configuration
- Bolt-on installation
- MPN: CST-1323-13-1









