The Shimano Dura-Ace FC-09 11-speed chainrings are the perfect replacement for worn or damaged chainrings.

Features
HOLLOWGLIDE hollow outer chainring technology significantly improves rigidity and reduces weight
Eliminates outer chainring flex for precise shifting performance, even under high load
Teeth specifically developed for use with 11-speed chains to enhance contact, efficiency, and power transfer

Specifications
Compatible chain: Shimano HG 11-speed
Chainring size: 54T
Use: Road, Time Trial & Triathlon
Gear arms: 4-arm
BCD: 110 mm