- Description
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Details
The concept behind the new DURA-ACE R9100 is based on the principle that each component should be improved to optimise input and maximise output. In other words, to reduce as far as technically possible energy loss between a rider's effort and the actual performance he or she achieves. That's why each and every DURA-ACE R9100 component has been developed for maximum effectiveness in combination with the rest of the components in the system. This is Shimano's system component concept. The result is a superior system that has truly qualified as having ‘System Supremacy'.
The concept of maximising output by minimising energy loss begins with the crankset. The renewed design of the 2x11 HOLLOWTECH II crankset endows the new DURA-ACE groupset with an iconic aesthetic and improves the performance of the gear shift.Details:
Crankset Dura Ace FC-R9100 Hollowtech II:- BCD: 110mm, 52/36 tooth
- Cranks: 172.5mm
- Manufacturer weight: 621gr
Cassette Dura Ace CS-R9100 11 speed:- 11-28 / 11-30 tooth
- Material: aluminium spider arm, steel spockets, 5 titanium sprockets
- Manufacturer weight: 11-28: 193gr / 11-30: 211gr
Bottom bracket SM-BB92-41B: (included)- PressFit
- Internal diameter: 41mm
- Crank axle: 24mm
- Manufacturer weight: 54gr
Front derailleur Dura Ace FD-R9100:- Double, braze-on
- 2x11 speeds
- Manufacturer weight: 69gr
Rear derailleur Dura Ace RD-9100-SS:- 11 speeds
- Medium cage
- Shadow system
- Manufacturer weight: 158gr
Levers Dura Ace ST-R9100:- Customizable position
- Carbon levers
- New coating material
- OT-SP41 shift cables (included)
- Manufacturer weight: 365gr / pair
Brakes Dura Ace BR-R9100:- Dual Pivot
- Max Tires section: 28mm
- Manufacturer weight: 326gr / pair
Chain Dura Ace CN-HG901-11:- Sil-Tec coating
- Asymectric construction
- Hollow pin
- Manufacturer weight: 247gr (114 links)
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