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Equipment > Components > Chainrings > Road


The Shimano Ultegra FC-R8100 12-Speed Chainrings are designed to fit Shimano R8100 cranksets as well as other 110 BCD 4-bolt cranksets. Constructed from aluminum and utilizing Hollowglide technology, these chainrings optimize stiffness while keeping weight to a minimum. Available options include choosing between inner or outer rings and selecting the desired tooth size.

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  • Compatible with Shimano R8100 cranksets and other 110 BCD 4-bolt cranksets
  • Durable aluminum construction
  • Uses Hollowglide technology to maximize stiffness and maintain low weight
  • Available in inner or outer ring options with various tooth sizes
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