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

Shimano 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 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 precise front shifting 52t outer chainring is for use with 36t inner chainring Asymmetric 110 BCD Compatible with HG 12-speed chains Item Specifications Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Drivetrain Speeds 12 Material Aluminum w/ Carbon Wrap Ring Position/Type Outer Tooth Count 52 Shimano Ultegra FC-R8100 12-Speed Chainring Chainring UPC: 192790168050