Shimano FC-09 Chainring 54T Advance more efficient wheel as a

more efficient wheel as a wider hub flange increases spoke bracing angles for outstanding power transmission

Bag Compatibility: RX TrunkBag EX

Includes everything needed for a complete shift cable and housing replacement for a rear derailleur or internally geared hub

And finally

Use: Cutting-edge technology and materials on this home trainer

Shimano FC-09 Chainring 54T Advance more efficient wheel as aThe 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 weightEliminates outer chainring flex for precise shifting performance, even under high loadTeeth specifically developed for use with 11 speed chains to enhance contact, efficiency, and power transfer SpecificationsCompatible chain: Shimano HG 11