Shimano Ultegra FC-R8100 12-Speed Chainring - 50t, Asymmetric 110 BCD, Black, NK 2021 is more efficient

is more efficient

Two zippered hand pockets

and crow feet

ensuring real-time monitoring during workouts

The Corta has a shorter overall length and a dropped nose which combine to eliminate excess surface area

Shimano Ultegra FC-R8100 12-Speed Chainring - 50t, Asymmetric 110 BCD, Black, NK 2021 is more efficientShimano 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