- Road/Cyclocross/Gravel ring with Drop-Stop tooth design to prevent unwanted chain drop
- Elliptical shaped for better traction, especially during technical climbing and faster acceleration
- Recommended for use with 10 or 11sp chain (10sp chain works on 9sp drivetrain)
- Compatible with Dura Ace 9000, Ultegra 6800, 105 5800, Tiagra 4703, and Tiagra 4700
- Designed and manufactured in the USA from 7075-T6 aluminum alloy
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