Shimano Dura Ace FC-R9100 11 Speed Inner Chainring, 39T-MW for 53/39T

Shimano Dura Ace FC-R9100 11 Speed Inner Chainring

• 11 speed chainring for double chainsets

• Inner Chainring

• Maintains high rigidity and reduces weight

• Optimum power transfer

• 4 arm spider design

• Chainring BCD: 110mm, asymmetrical design

• Material: Aluminium

• Chainring size options: 42T-MX, 39T-MW, 36T-MT, 34T-MS

• Compatible chainsets: FC-R9100 and FC-R9100-P

The Shimano Dura Ace FC-9100 11 Speed Inner Chainring is a tooth replacement or upgrade chainring that is compatible with the 11 speed Dura-Ace 9100 series double chainset, this includes the standard FC-R9100 chainset and the powermeter FC-R9100-P chainset.

This four-arm Shimano FC-9100 Chainring is machined from aluminium,delivering rigidity and low weight, and with that rigidity comes improved shifting for accurate gear changes every time.