Shimano Dura-Ace FC-R9200 12 Speed Chainring Size:50t and an eye garage for

and an eye garage for easy and secure storage of eyewear mid-ride

Nylon + Glass Fiber / Polypropylene

Impressively quiet and smooth thanks to the HyperGlide technology the chain also shifts crisply and quickly with dependable reliability

Rated Voltage: 7

or in the toolboxes of Pro-Tour mechanics: extremely high-quality tools

Shimano Dura-Ace FC-R9200 12 Speed Chainring Size:50t and an eye garage forWith their special tooth profiles, mount pins and climbing aids, Shimano Dura Ace FC R9200 12 Speed Chainrings enable a particularly smooth and fast shifting process. Shifting under load, as one would otherwise only expect from a rear derailleur, is possible without issue. The carbon fiber reinforced plastic construction with aluminum teeth helps keep weight down while increasing torsional rigidity, and the Hollowglide profile of the large chainrings