SUPERSPROX Countershaft Sprocket - 17-Tooth CST-1180-17-2

A worn or undersized countershaft sprocket robs power, increases chain wear, and limits your engine's ability to deliver torque efficiently to the rear wheel. The SUPERSPROX 17-tooth countershaft sprocket eliminates these problems with factory-grade engineering—the same specification trusted by professional racing teams—giving you reliable acceleration, reduced drivetrain friction, and a sprocket built to outlast aggressive riding conditions.

Whether you're pushing hard on the track or tackling technical terrain off-road, this sprocket handles the punishment. The SCM-435 carbon-free steel with deep impregnation virtually eliminates breaking risk, while the ultra-hard surface layer (.5mm) minimizes friction and chain drag, preserving power and extending component life. Radial lightening keeps rotating mass low without sacrificing durability, and factory-spec grooved teeth shed dirt instantly—keeping your drivetrain clean and responsive when it matters most.

• Material: SCM-435 carbon-free steel
• Deep impregnation technology
• Ultra-hard surface layer (.5mm)
• Radial lightening holes
• Factory grooved teeth
• Tooth count: 17
• MPN: CST1180172
• Fitment: Countershaft applications
• Off-road and street rated
• Installation: Bolt-on replacement