Bicycle Components & Accessories

SHIMANO Ultegra FC-R8100 12-Speed Chainring - 52t, Asymmetric 110 BCD, Black, NH 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... SHIMANO Ultegra FC-R8100 12-Speed Chainring - 52t, Asymmetric 110 BCD, Black, NH