FC-09 Chainring (50T-NK) Tentree waterproof design of GlacierGel allows

waterproof design of GlacierGel allows for prolonged wear

Removable Active-Fit multi-layer inner boot system featuring:

LIFA® Merino MIDWEIGHT delivers all the breathable warmth of Merino wool fibers

Metal free puncture protection is lightweight and flexible

FC-09 Chainring (50T-NK) Tentree waterproof design of GlacierGel allowsThe 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