Shimano Ultegra FC-R8000 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (53T)

This is a Shimano Ultegra 8000 11-Speed chainring. This outer ring is available in a 53 tooth or 52 tooth size intended for a standard 53/39 chainring combination or a mid-compact 52/36 combination respectively. It utilizes Shimano's proprietary asymmetrical 110mm bolt circle diameter. Specifications: Color: Dark Gray Material: Aluminum Teeth: 53 and 52 tooth available Chainring BCD: 110 Asym Ring Position: Outer Chain Compatibility: Shimano 11