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.
Color: Dark Gray
Teeth: 53 and 52 tooth available
Chainring BCD: 110 Asym
Ring Position: Outer
Chain Compatibility: Shimano 11
This product is expected to become available for purchase on Thursday, July 29, 2021