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Why We Like The Dura-Ace FC-R9100 11-Speed Crankset
If you, like a few of us old souls around the Competitive offices, are holding fast to your belief in the soul of mechanical shifting, Shimano hasn't abandoned you. Though the world may very well be moving towards 100% electronic drivetrains someday in the future, mechanical still makes a hell of a case for itself. With smooth lines, elegant finishing, and functionality beyond reproach, the redesigned mechanical Dura-Ace drivetrain calmly holds its own in this brave new world of wires, batteries, and display screens. It's fitting then, that the Dura-Ace FC-R9100 11-Speed Crankset also comes with the double chainrings that many roadies are loathe to abandon just yet. Call upon your granny gear when needed with this lighter, stronger version of a top-end classic, and embrace tried-and-true tradition of cables. Of course, in the even that you do decide to run electro-shifting, the crank's ring profile plays just as nicely with Di2 derailleurs.
Details
- A top-of-the-line classic continues to keep up with the times
- Redesigned crank arm accommodates disc brake frames
- Chainline and tooth profile adapted to gearing on disc race bikes
- Reduction in weight without a sacrifice in strength
- Allows for huge range of gearing options with a single crank
- Shimano proves there's still a place for aluminum crank arms at cycling's most elite levels
- Item #SHI00DR
- Arm Material
- aluminum
- Arm Length
- 170mm, 172.5mm, 175mm
- Bolt Circle Diameter
- 110mm
- Bolts
- 4
- Rings
- 2
- BB Type
- [recommended pressfit] SM-BB92-41B, [recommended threaded] BB-R9100
- Spindle
- 24mm
- Q Factor
- 146mm
- Chainline
- 43.5mm
- Compatible Components
- Shimano Dura Ace 9100
- Claimed Weight
- [black, 170mm 50/34] 1lb 5.6oz (611g), [black, 170mm 52/36] 1lb 6.2oz (628g), [black, 170mm 53/39] 1lb 6.3oz (633g), [black, 172.5mm 50/34] 1lb 6.2oz (628g), [black, 172.5mm 53/39] 1lb 6.6oz (641g), [black, 175mm 50/34] 1lb 6oz (624g), [black, 175mm 52/36] 1lb 6.5oz (637g), [black, 175mm 53/39] 1lb 6.6oz (642g)
- Manufacturer Warranty
- 3 years
100+ Years in the Making
Founded in Japan in 1921, Shimano has spent over a century earning the trust of riders at every level. Their precision engineering and relentless drive to innovate have made Shimano components a fixture on trails and roads worldwide.
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