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
• 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
• 50t outer chainring is for use with 34t inner chainring

SPECIFICATIONS

• Material:Aluminum w/ Carbon Wrap
• Round or Oval:Round
• Color:Black
• Tooth Count:50
• Ring Position/Type:Outer
• Drivetrain Speeds:12
• Defined Color:Black
• Chainring BCD:110 Shimano Asymmetric