Product Description A long service life: the X110 Outer Chainring from TA The TA chainring X110 is 100% CNC machined from 7075-T6 aluminium and features a light weight, strength and long life. It is compatible with 11-speed drivetrains and the Dura-Ace R9100, Ultegra R8000 and other 4-arm cranks with 110 mm bolt circle from Shimano. With a wide selection of tooth counts, you can easily find the right X110 chainring to suit your needs. Specifications:Application:RoadAttachment:110 mm pitch circle, 4-arm asymmetricalTeeth:42 T, 44 T, 46 T, 48 T, 49 T, 50 T, 51 T, 52 T, 53 TGearing:2x11-speedTechnical Information:Material:aluminium (7075-T6)Compatibility:Shimano Dura-Ace R9100Shimano Dura-Ace 9000 (matching chainring bolt set)Shimano Ultegra R8000 (matching chainring bolt set)Shimano Ultegra 6800 (matching chainring bolt set)Shimano 105 R7000Shimano 105 5800 (matching chainring bolt set)Shimano Tiagra 4700Position: externalFeatures:CNC manufacturedanthracite-black anodiseddesigned and produced in France Note:The manufacturer recommends a difference of 12 to 16 teeth between the smallest and largest chainrings.Manufacturer Numbers:42 tooth:PL-48110369-42R844 tooth:PL-48110369-44R846 tooth:PL-48110369-46R848 tooth:PL-48110369-48R849 tooth:PL-48110369-49R850 tooth:PL-48110369-50R851 tooth:PL-48110369-51R852 tooth:PL-48110369-52R853 tooth:PL-48110369-53R8Contents:1 x TA X110 chainring Manufacturer: Spécialités T.A. 41 bis rue de Laon 02150 Sissonne France france@specialites-ta.com