Shimano Dura-Ace FC-R9100 11 Speed Chainring

From $64.99

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The choice of the world's best climbers, sprinters, and time trialists, the Dura-Ace R9100 chainringdrops weight while maximising power transfer.

The new design, and its iconic look, is adapted for race specific disc brake systems.


Best balance for lighter weight (-7g) and efficiency

Maintains high rigidity and reduces weight

Shorter length of rear center with O.L.D.135mm

Optimum power transfer

Iconic design

Adapted for race specific disc brake system

Rider tuned gearing options


Chain line (mm) 43.5
Compatible chain
HG-EV 11-speed, HG-X11
Crank fixing bolt included No
Gear arms 4
HollowGlide Yes
HollowTech Technology Yes
B.C.D. (mm) 110
Rear Speeds 11


34 teeth (for use with 50 teeth)

Type: MS

36 teeth (for use with52 teeth)

Type: MT

39 teeth (for use with53 teeth)

Type: MW

42 teeth (for use with54 or 55 teeth)

Type: MX

50 teeth (for use with34 teeth)

Type: MS

52 teeth (for use with36 teeth)

Type: MT

53 teeth (for use with39 teeth)

Type: MW

54 teeth (for use with42 teeth)

Type: MX

55 teeth (for use with42 teeth)

Type: MX

Note: To guarantee best shifting performance, you may only combine chainrings of the same type, e.g. MS with MS