Shimano Dura-Ace FC-R9100 11 Speed Chainring
From $64.99
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.
Features
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
Specifications
| 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 |
Versions:
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
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