Shimano Ultegra 8100 50/34T Chainring Kit

The Shimano Ultegra FC-R8100 12-Speed Chainrings are compatible with Shimano R8100 cranksets and other, 110 BCD 4-bolt cranksets. The aluminum construction uses Hollowglide technology to maximize stiffness while maintaining a low weight.**Product ships polybagged.  Does not include original OEM packaging**