Shimano Ultegra FC-R8100 12-Speed Chainring - 50t, Asymmetric 110 BCD, Black, NK 2021 HH® LIFALOFT™ logo at front

HH® LIFALOFT™ logo at front left chest

and crow feet

ensuring real-time monitoring during workouts

Open Sesame

Microfiber Cloth

Shimano Ultegra FC-R8100 12-Speed Chainring - 50t, Asymmetric 110 BCD, Black, NK 2021 HH® LIFALOFT™ logo at frontShimano Ultegra FC R8100 chainrings are constructed with high quality aluminum and are compatible with FC R8100 and FC 8100 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains Aluminum with anodized finish and carbon fiber reinforced plastic for extreme durability and light weight Hollowglide technology provides high rigidity and cuts down on weight while maintaining strength Offers better power transfer and quicker, more