SUPERSPROX Countershaft Sprocket - 17-Tooth CST-1537-17-2

If you're running a countershaft sprocket that can't handle sustained power delivery or high RPM stress, you're sacrificing reliability and performance every time you ride. The SUPERSPROX 17-Tooth Countershaft Sprocket delivers the durability and precision of factory racing parts without compromise, engineered to eliminate chain drag losses and maintain consistent engagement through extreme conditions. Built from the same specification used by professional race teams, this sprocket gives you the exact performance margin you need, whether you're pushing hard on the track or tackling demanding terrain.

• SCM-435 carbon-free steel
• Zero-break impregnation process
• Ultra-hard surface layer (.5mm)
• Reduces friction and chain drag
• Radial lightening holes
• Grooved tooth design
• Fast dirt removal capability
• Factory racing team specification
• 17-tooth countershaft fitment
• MPN: CST-1537-17-2
• Off-road and street compatible
• Extended service life