Shimano Ultegra FC-R8100 12-Speed Chainring - 50t Asymmetric 110 BCD BLK NK Model=Wheel Bag Injection Molded Carbon Fiber reinforced

Injection Molded Carbon Fiber reinforced PA cage offers new levels of strength and durability

plastic expander sleeve and stainless bolt

Upper hip and thigh padding

reducer and conversion applications (mix & match system helps reduce inventory overlap)

} Patented X-Sync chainring technology provides unparalleled chain retention as part of a complete SRAM 1x system

Shimano Ultegra FC-R8100 12-Speed Chainring - 50t Asymmetric 110 BCD BLK NK Model=Wheel Bag Injection Molded Carbon Fiber reinforcedShimano Ultegra FC R8100 12 Speed Chainring 50t Asymmetric 110 BCD Black NK. 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. Asymmetric 110 BCD Compatible with HG 12 speed chains TECH SPECS Color BlackRing Position Type OuterTooth Count 50Round or Oval RoundDrivetrain Speeds 12Chainring BCD 110 Shimano AsymmetricMaterial Aluminum w Carbon WrapDefined