Shimano Dura-Ace FC-R9100 Inner Chainring 39T

Shimano Dura-Ace FC-R9100 Inner Chainring 39T This FC-R9100 39 tooth inner chainring is compatible with Shimano’s Dura-Ace FC-R9100 and FC-R9100-P chainsets and is designed to be paired with a 53T outer chainring. Its advanced tooth profiling and high-grade aluminium construction offer optimal gear shifts; smooth running and heightened durability in all weather conditions when used with a Shimano 11-speed chain.