- Sprockets synchronization improved shifting precision, less stress for the chain
- Ultra-Shift teeth shape provides upshift optimization
- Optimized teeth space for longer life, lower wear
- Nickel-chrome surface treatments on steel for longer life, lower wear
- Light-alloy lockring for weight savings
- 12,13,14,15,16,17,19,21,23,25,27
- 236 grams
- CS9-CH127
- Velo Mine Customer Service 217.679.2356217.679.2356 or 217.827.1173217.827.1173