Shimano - Dura-Ace FC-R9200 - 12 speed Chainring
Chainring for the Shimano Dura Ace FC-R9200 and FC-R9200-P 2x12-speed cranksets.
The chainrings with 110 mm bolt circle diameter ensure fast as well as smooth shifting. For reasons of weight optimization, the outer models also feature a Hollowglide construction, which can still come up with an extremely stiffness.
Material:
outer: aluminum (anodized), carbon fiber reinforced plastic (CFRP)
inner: aluminum (anodized)
Scope of supply: 1 chainring