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Shimano Ultegra R8000 39t 110mm 11-Speed Chainring for 39/53t
Shimano Dura-Ace 7900 39t 130mm 10-Speed B-Type Inner Chainring
Shimano Ultegra R8000 46t 110mm 11-Speed Chainring for 36/52t or 36/46t
Shimano Ultegra R8000 46t 110mm 11-Speed Chainring for 36/52t or 36/46t
Shimano Ultegra R8000 Series Chainrings are designed for use with Shimano's 11-speed Ultegra crankset.
For 2x11 drivetrain setups