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Shimano Dura-Ace FC-R9100 crankset, 55-42 tooth ratio, 180 mm length.
Shimano Dura-Ace FC-R9100 Crankset
With the FC-R9010 cranksets, Shimano offers an extremely versatile crankset in the 11-speed Dura-Ace series, which can be combined with 6 different chainring sizes. To this end, the new 4-arm bolt pattern has been developed, which secures the chainrings precisely at the points subject to the greatest stress.
Hollow-forged chainrings, thin-walled hollow-forged crank arms and a reduced outer surface area bring the weight of the new Shimano Dura Ace FCR 9100 crankset down to 609 grams. The design of the 2x11-speed Hollowtech II crankset not only boasts a look and aesthetic with cult potential, but also ensures enhanced performance. A wider, yet lighter than its predecessor, crank arm and the large chainrings with Hollowglide technology increase stiffness and optimise power transfer to the pedal. Overall, the crankset is remarkably light – weighing in at 609 g for the compact version (50-34T) and 621 g for the standard crankset (53-39T)
The Shimano Dura Ace FC-R9100 crankset can be fitted with the following chainring combinations:
- 50-34 teeth
- 52-36 teeth
- 53-39 teeth
- 54-42 teeth
- 55-42 teeth
Shimano Dura Ace FC-R9100 Crank Technology:
- Weight: 609g excluding bottom bracket
- The bottom bracket is not included
- Bore diameter 110 mm, 4-arm asymmetrical
- Includes left and right crank arms with chainrings
Compatible bottom bracket shells - bottom brackets
Modern frames now feature a wide variety of bottom bracket shells. Shimano only offers compatible bottom brackets for a few of these. Wheels Outboard bottom brackets are significantly more durable than standard press-fit bottom brackets, as the cup halves are bolted together, ensuring they sit flat and securely within the frame. Wheels bottom brackets are available with different bearing grades: ABEC3 standard bearings, angular contact bearings and ceramic bearings.
- BSA threaded shell, 68 mm installation width Shimano
Dura Ace SM-BB9000B bottom bracket - Housing: ITA thread, installation width 70 mm – Shimano Dura Ace
SM-BB9000I bottom bracket - Housing: Pressfit BB86, installation width 86.5 mm, press-fit dimension 41 mm,
bottom bracket: Shimano SM-BB92-41B,
bottom bracket: Wheels MFG Outboard BB86-OUT - BB30 shell, installation width 68 mm, press-fit depth 42 mm Wheels MFG Outboard
BB30-OUT bottom bracket - Pressfit 30 housing, installation width 68 mm, press-fit depth 46 mm Wheels MFG Outboard
PF30-OUT bottom bracket - BBRight shell, installation width 79 mm,
press-fit diameter 46 mm Wheels MFG Outboard BBRIGHT-OUT - Housing BB386, installation width 86.5 mm, press-fit depth 46 mm, Wheels MFG Outboard
386EVO + 386EVO-SHI bottom bracket - Trek BB90 shell, installation width 90 mm, press-fit dimension 41 mm FSA
230-600 bottom bracket
Herstellerinformation: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com | EU contact: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, The Netherlands, www.shimano.com
