julio 27, 2026
36t inner chainring is for use with 52t outer chainring. MPN: Y0NG36000 - Shimano - Ultegra FC-R8100 12-Speed Chainring - Chainring. Shimano Ultegra FC-R8100 chainrings are constructed with high quality aluminum and are compatible with FC-R8100 and FC-8100-P 2x 12-speed cranksets.