• Tooth Capacity : Compatible with 26T to 36T single (1X) chainring (not compatible with oval chainring) • Mounting standard: D-Type (Shimano Direct Mount) front derailleur mount • Quality Production : Precision CNC’d from 6061 alloy with Anodized black and laser etching • Easy Installation : Easy to install and adjust without removing crank set • Perfect Chain Retention : Safely keep your chain from dropping at all times, in all riding conditions