Shimano Ultegra FC-R8100 Chainrings Description:
Genuine Shimano replacement chainrings for Ultegra 12-Speed. These will work with any Hollowtech II crankset but will match in appearance with Shimano FC-R8100 and FC-8100-P cranksets.
Note: Chainrings should only be paired in appropriate teeth configurations. See list below.
Features:
- Compatible with HG 12-speed chains
- Aluminum with anodized finish for extra durability and light weight
- Superior power transfer as well as quicker and more precise front shifting









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