Description
Race Spec (RS) Front Sprocket
ProTaper Race Spec (RS) Front Sprockets are CNC machined and internally broached to precise tolerances from case-hardened, core-refined chromoly steel. Computer engineering ensures precise fitment, optimal weight savings, and perfect balance. The result is minimal chain drag, maximum horsepower, and uncompromising strength. A proprietary coating further reduces wear and corrosion, yielding a front sprocket unparalleled in the market.
- Precision broached and machined to the strictest standards
- Case hardened cro-moly steel
- Lightening holes keep sprocket light weight
- Self-cleaning mud grooves prevent dirt build up
- Special coating helps retain strength and aids in wear resistance
- Etched teeth number for easy identification
See fitments for your model specific bike!

![Protaper CS 14T Front 1590.13 Sprocket Yamaha YZ/WR [A]](https://boydsassets.specd.nz/uploads/2026/09/5f6ce144-57de-4002-9c1b-d0901103a8c7-jpg.webp)




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