The FC-R9100 HOLLOWTECH II crankset’s shaping improves upon DURA-ACE’s iconic 4-arm design, adding strength and rigidity while minimizing weight. Shimano’s Rider Tuned gearing offers a number of chainring configurations with a singular BCD for ease of use and versatility. Through redesigned chainring tooth profiling, the DURA-ACE R9100 crankset is adapted for the latest disc brake frame designs without the need to increase q-factor.
Enhanced design saves 7 g while maintaining rigidity
Iconic 4-arm construction
Optimized crank arm design strengthens key stress zones
New chainring tooth profile is adapted for race bike specific disc brake systems
Accommodates shorter chainstays (410 mm) with 135 mm OLD
HOLLOWGLIDE chainring construction
| Bike Type | Road bike |
|---|---|
| SKU | FCR91005339 |
| Condition | New |
| Brand | Shimano |
| Speed | 11 Speed |
| Stem Angle Degree | No |
| Range | No |
| Main Color | No |
| Front Derailleur Type | No |
| Tire Size | No |
| MPN | No |
| EAN/UPC | 689228741782 |
| Fabric | 82% Polyester, 18% Elastane(Spandex) |
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