These beauties are cnc’d in the USA and utilize a proprietary tooth profile for smooth and quiet operation. The 49-52’s utilize a solid body design with reliefs in the back for weight savings.
SPECS:
- Color: Silver
- Material: Aluminum
- Ring Position/Type: Single
- Drivetrain Speeds: Single Speed 1/2" x 1/8"
- Defined Color: Silver
- Chainring BCD: 144