Sram:
FEATURES
- SRAM X-SYNC™ wide-tooth, narrow-tooth chainring technology provides maximum chain control
- Laser-etched chainring finish is more durable
- X-Range™ gearing technology gives you more range and a smoother gear progression, so you're always in the right gear
- Can be installed with a single tool, making gearing changes a breeze
SPECIFICATIONS
Chainring Size: 36, 38, 40, 42, 44, 46
Bolt Circle Diameter (BCD): 107 BCD
Speeds: 12
Compat - Yaw: n/a
Material (Chainring): Aluminum
Color (Chainring): Black, Grey