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

Ring Position/Type	Outer
Tooth Count	52
Drivetrain Speeds	12
Chainring BCD	110 Shimano Asymmetric
Material	Aluminum w/ Carbon Wrap
Color	Black
Defined Color	Black
Size	52T