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ShimanoDura-Ace 9100 C40 Carbon Road Wheelset - Clincher

$1,579.99

Item # SHI00DH

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  • One Color, One Size ($1,579.99)
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Item # SHI00DH
Description

Why We Like The Dura-Ace 9100 C40 Carbon Road Wheelset

Shimano's Dura-Ace 9100 C40 Carbon Wheelset brings an aesthetic update to pair perfectly with the 9100 groupset and carries over the speedy stability we've come to expect from Dura-Ace wheels. As with its C35 predecessor, the C40's weight is centered at the hubs to reduce rim and rotational weight so it kicks up to speed fast. Combine that snappiness with a 35mm rim depth and you get the ideal balance of lightweight responsiveness and aerodynamic speed to manage a wide variety of terrain.

The rim's construction, which is ultimately responsible for the wheelset's devoted following, remains the same. It involves an alloy body that's extruded and machined to thin the walls down to an almost two-dimensional 0.6mm wall thickness—about half of the typical alloy rim wall thickness of 1 to 1.3mm. This obviously reduces weight to a minimum, but it also means the overall structure is less sound, so Shimano buttresses the rim with a jealously guarded carbon laminate process. The only information that the brand is willing to divulge about this process is that phosphoric acid is used to anodize the alloy, and then variable carbon layers are fused to it in order to boost its structural integrity without undoing the weight gains made during the milling process.

The result is a lightweight rim that's as durable and radially comfortable as alloy but still manages to approach the weight and drive stiffness of carbon. It also features an alloy brake track, which means it doesn't sacrifice stopping power in pursuit of weight reduction and also doesn't carry the risk of being distorted by internal pressure from the tube when it heats up during long, hot descents. Altogether, each component of the wheel has been designed as a symbiotic system for the ultimate in aerodynamics, efficiency, and pure speed.

  • A versatile wheelset that balances weight and aerodynamics
  • Machined aluminum with carbon laminate drops grams, not stiffness
  • Aerodynamic mid-depth rims hold speed without impeding climbing
  • Durable titanium freehub body reduces weight
  • Wide hub flanges boost wheel stiffness
  • Aluminum brake track provides reliable braking across conditions

Tech Specs
Rim Materialaluminum with carbon laminate
Wheel Size700c
Tire Typeclincher
Rim Depth35mm
Rim Width[external] 20.8mm
Brake Compatibilityrim
HubsShimano
Front Axlequick-release
Rear Axlequick-release
Spoke Count[front] 16, [rear] 21
Manufacturer Warranty3 years
Activityroad cycling
Weight

Actual Weight

One Color, One Size
1670g
58.91oz

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[front] 1lb 5.8oz (674g), [rear] 1lb 13.4oz (834g), [set] 3lb 5.2oz
674g), [rear] 1lb 13.4oz (834g), [set] 3lb 5.2oz (1508g

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead

What do you think about this product?

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>Rating:

Does the dura-ace C40 wheel set come with a Freehub?

Hi Jeff, These wheels will come with a Shimano HG freehub, which is compatible with Sram and Shimano 10 and 11 speed drivetrains. If you have any other questions on these wheels, or if there is anything else that we can help you with, please don't hesitate to reach out! You can get in touch with me directly at ibird@backcountry.com, call 1-888-276-7130, or chat in to our website to speak with one of our gearheads! Best, Ian Bird Competitive Cyclist Loyalty ibird@backcountry.com

>Rating: 5

Amazing wheels, grab them while you can

Familiarity:
I've put it through the wringer
Fit:
True to size
Size Bought
700C
Height
5` 11"
Weight
167 lbs

Have ridden a set of these for the past 3.5yr (probably >10,000mi) without any problems. Haven't needed trueing or bearing adjustment (overdue for re-lubing!). Bombproof wheels that strike a nice balance between reasonably light weight (set is only about 60g heavier than C24's) and basic aero drag reduction (35mm deep). I just ordered another set because it's unclear how much longer they will be available.

>Rating: 5

Barry G

Familiarity:
I've used it several times
Fit:
True to size
Size Bought
700c
Height
5` 8"
Weight
167 lbs

Excellent wheels! Came perfectly true. Love the fact that they came with 1.85mm spacer for the cassette hub, as well as spoke wrenches, wheel bags (a nice touch). They ride fast, smooth and seem agile. I would highly recommend them to anyone-especially if you don't want to change your brake pads or drivetrain.

Excellent
>Rating: 4

Great wheels, not so for the skewers

Familiarity:
I've put it through the wringer

Purchase the Shimano Dura-Ace 9100 C40 Carbon Road Clincher wheelset for my 2016 Colnago C60, after riding it for over 1000 miles I can say this wheels are great and very responsive, but the skewer arms are off center, creating a clearance problems on the chain stay, I can only able to lock the wheel with the skewer arm at horizontal or lower position hence 4 stars!

No problem here

Dura-Ace skewers work fine for me on all my bikes. And unsure why having the arm at or below horizontal would be a problem, I'd simply aim it horizontal, pointing forward tucked under the chainstay.

>Rating:

Rider weight limit? Flexing for heavier riders?

>Rating:

Which version of the Clincher is this? WH-R9100-C40-CL or WH-R9170-C40-TL? Regular Clincher or Tubeless?

>Rating:

Is this description for the c35 or c40? Looks like it's for the former

35mm actually