MEET THE DURA-ACE 9100 DRIVETRAIN
DURA-ACE Crankset increases efficiency and versatility
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 7g 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 (410mm) with 135mm OLD
- HOLLOWGLIDE chainring construction
- Crank arm lengths: 165, 167.5, 170, 172.5, 175, 177.5, 180mm
- Rider Tuned gear combinations (2x11): 50-34T, 52-36T, 53-39T, 54-42T, 55-42T
- Weight: 609g (50-34T), 621g (53-39T)
New Power Meter furthers Shimano’s system integration
The FC-R9100-P delivers world-class power measurement seamlessly designed into the new DURA-ACE HOLLOWTECH II crankset. The dual-sided strain gauges are internally hard wired together for reliable performance in all weather conditions and accurate measurement regardless of pedaling position. Shimano’s integrated approach also ensures simplified maintenance with a single rechargeable battery powering the entire unit and the ability to wirelessly update firmware.
- Integrated design delivers system reliability and waterproof performance in all conditions
- Dual-side strain gauges are hard wired together for accurate data collection and direct response
- ±2% strain gauge power measurement accuracy
- Stable power measurement system across all pedaling positions
- Reliable electrical system that is waterproof in all conditions
- Single rechargeable battery for easy maintenance
- Easily swap chainrings without affecting power measurement
- Bluetooth and ANT+ wireless communication
- Crank arm lengths:
- 170, 172.5, 175mm (w/chainrings)
- 165, 167.5, 170, 172.5, 175, 177.5, 180mm (w/o chainrings)
- Rider Tuned gear combinations (2x11): 50-34T, 52-36T, 53-39T
Expanded Rider Tuned gearing and improved drivetrain precision
CS-R9100, HG Cassette Sprocket
With the inclusion of the new 11-30T R9100 cassette, DURA-ACE expands gearing options further than ever.
- CFRP & Alloy spider arm, 5 titanium sprockets for lightweight performance
- Expanded Rider Tuned gear combinations:
- 11-25T, 11-28T, 11-30T (New), 12-25T, 12-28T
- Weight: 175g (11-25T), 193g (11-28T), 211g (11-30T), 189g (12-25T), 205g (12-28T)
CN-HG901-11, Super Narrow SIL-TEC HG-X11 Chain
The new HG901-11 chain features an asymmetric plate design that improves shift quality, increases chain retention and reduces drivetrain noise.
- Asymmetric plate design
- Smooth operation with low running noise
- Enhanced chain retention across the range of chain line angles
- Improved front and rear shift performance
- Rear Drive - smooth driving without noise
- SIL-TEC on Plate/Roller
- Hollow pin design for low weight
- Weight: 247g (114Link)
SM-CN900-11, QUICK-LINK
- Tool-free connection for quick and easy assembly
- Compatible with current 11-speed chains
