This is a Shimano Ultegra 8000 11-Speed Chainring. It utilizes Shimano's proprietary asymmetrical 110mm bolt circle diameter.
Note: Chainrings should only be paired in appropriate teeth configurations. See list below.
Chainring Shape: Round
Drive Type: 2x
Speed Compatibility: 11 Speed
Chainring BCD: 110mm Shimano Asymmetric
Recommended Chainring Configurations:
This product was added to our catalog on January 3, 2018