External chainringShimano Dura-Ace FC-R9100 with high-quality hollow-race construction to save weight and increase rigidity for optimal power transfer. New tooth design for smoother shifting.
The Shimano Dura-Ace FC-R9100 outer chainring offers optimum power transfer thanks to a reinforced design on its unique, asymmetrical four-spoke cobweb structure. The new R9100 groupset complies with the most stringent standards for stiffness and durability.
With a new 4-spoke design, the Shimano Dura-Ace FC-R9100 chainring is the choice of the world's best climbers, sprinters and time trialists. For weight savings without sacrificing rigidity.
New 4-spoke design saves weight without sacrificing rigidity
GammeDura-Ace FC-R9100
Material: Aluminium
Hollowglide : yes
4-spoke
Axis 110mm
Compatible 2x11 Gears
