Designed to fit the inner 64 BCD spacing on 104/64 cranksets, it allows the use of a 30T elliptical ring on a 64/104 crankset. It's best paired with a 104 BCD bashring. Designed to be used with a 104 BCD alloy bash The simplest way to explain the way these rings feel is having 2 teeth less in the weak part of your pedal stroke and 2 teeth more where you have the most power Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention Not compatible with 9 speed chains Optimized for use with 10, 11, and 12 speed chains Item Specifications Color Black Material Aluminum Chainring BCD 64 Defined Color Black Ring Position/TYPE Chain Retaining Single Ring Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Tooth Count 30

Designed to fit the inner 64 BCD spacing on 104/64 cranksets, it allows the use of a 30T elliptical ring on a 64/104 crankset. It's best paired with a 104 BCD bashring. Designed to be used with a 104 BCD alloy bash The simplest way to explain the way these rings feel is having 2 teeth less in the weak part of your pedal stroke and 2 teeth more where you have the most power Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention Not compatible with 9 speed chains <li