Chainring Shimano FC-6800-53T

Shimano Ultegra FC6800 Double ChainringGenuine Shimano replacement part. For use with Shimano Ultegra FC-6800 11spd Double ChainsetCan also use the 39T Inner Chainring from the Shimano Dura-Ace FC-9000, this is a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish and size etc.Material: AluminumTeeth: 53t.Bolt Pattern: 4-BoltChainring BCD: 110mmChain Compatibility: 11-speed/doubleArt. Nr. Y1P498080