Ultegra FC-R8100 12-Speed Chainring - Ultegra FC-R8100 12-Speed Chainring bottom brackets single-size frame fits riders from

single-size frame fits riders from around 4’5” all the way up to 6'4"

often find more confidence and control from a larger volume tire with 650b rim

Jacquard knit pattern designed specially for the Speed of Light Collection

flat-mount disc

The SC stem offers a new faceplate and body design for greater stiffness and easier installation at a price that meets any rider’s budget

Ultegra FC-R8100 12-Speed Chainring - Ultegra FC-R8100 12-Speed Chainring bottom brackets single-size frame fits riders fromShimano Ultegra FC R8100 chainrings are constructed with high quality aluminum and are compatible with FC R8100 and FC 8100 P 2x 12 speed cranksets. Aluminum with anodized finish provides durability and light weight 34t inner chainring is for use with 50t outer chainring