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Shimano Dura-Ace 9000 C24 Carbon Road Wheelset - Clincher

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Item # SHI0632

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Item # SHI0632

King of the mountains.

The carbon clincher. For much of its short life, the design has been plagued by ailments ranging from the annoying to the downright terrifying. However, this isn't to say that it's still languishing in a limbo of inadequacy. With the Shimano Dura-Ace 9000 C24 Carbon Clincher Wheelset, it seems like Shimano somehow got hold of your carbon wishlist and checked off all of the boxes. The C24 features Shimano's widest profile ever, its strongest aerodynamic advantage, and an unparalleled responsiveness. Even more impressively, the C24 provides all of this at a weight under that of Zipp's 202 Firecrest Carbon Clincher.

Shimano's Dura-Ace 9000 C24 wheelset epitomizes the illustrious reputation of the Dura-Ace title. In fact, for the first time, Shimano has fully committed itself to achieving a superior level of aerodynamic advantage. As a result, the C24 was engineered in accordance with the newly developed Blade and Accelerating SPEED concepts. After extensive wind tunnel research, both of these development platforms gave way to Shimano's most aerodynamic wheel profile. The designs are hinged on the front and rear wheel having two different depths -- 21mm at the front and 23mm at the rear. This creates an even smoother airflow then varied front and rear rim depths. Additionally, when coupled with the 20.8mm rim width, the wheels promote an increased stability in crosswinds, as well as higher levels of lateral rigidity and vertical compliance when compared to the WH-7900 C24.

With the C24 , the weight of the wheels is centered at the hubs. This means that the rim weight is reduced, and thus the rotational weight is decreased. The beneficial results are staggering. Coupled with the aerodynamic 21/23mm rim depth, you have a wheelset that gets up to speed faster, and requires less rider effort to pin it and hold it. The centering is made possible by a clever Shimano design that's principled in the use of Shimano's angular contact bearings. The bearings' shape allows them to be pushed as far outboard as possible. This makes the hub a wider platform for the spokes to stand on, and accordingly, it makes the wheels capable of higher spoke tensions for a more compliant ride quality. Most importantly, though, the C24 features Shimano's widest hub flanges ever. The wider distance between flanges drastically increases torsional and lateral rigidity -- think about the difference between someone pushing you with your feet together, and then again with your feet shoulder-width apart. Simply put, this design guarantees an effective power transfer so that your wheels put out as much as you're putting in.

For the build, Shimano incorporated 16 radial-laced spokes on the front wheel, and 20 two-cross spokes. For even further efficiency, the C24 wheelset uses ultra-stiff, oversized A7075 alloy axles, and a quick-engaging titanium freehub body. Every wheel is 100% hand-built, and features Shimano's own high modulus carbon fiber composite. For braking, the wheels feature an aluminum brake track for a predictable stopping power that won't overheat the rim. Altogether, each component of the wheel has been designed as a symbiotic system for the ultimate in aerodynamics, efficiency, and pure speed.

The Shimano Dura-Ace 9000 C24 Carbon Clincher Wheelset is available in the color Black and with a Shimano compatible freehub body. The wheelset tips the scales around 1364 grams, and is compatible with the new Dura-Ace 9000 11-speed shift system.

  • High modulus carbon fiber with an aluminum brake track
  • For use with caliper brakes
  • Compatible with Shimano Dura-Ace 11-speed groupset

Tech Specs

Rim Material:
carbon fiber
Tire Type:
clincher
Rim Depth:
[front] 21 mm, [rear] 23 mm
Rim Width:
20.8 mm
Brake Compatibility:
caliper
Hubs:
Shimano Dura-Ace
Skewers:
included
Spokes:
alloy
Spoke Count:
16 / 20
Actual Weight:
One Color, One Size: 1428g
Recommended Use:
cycling
Manufacturer Warranty:
3 years

Reviews & Community

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Here's what others have to say...

Unanswered Question

Hey guys....I apologize if I'm beating a dead horse here but I need to confirm if these are compatible with a Shimano Ultegra 9 speed cassette.

45

maybe a problem

    I purchased this wheel set tubeless clinchers and have climbed over 500,000 ft in one year with no problem however the rear wheel is now making a strange noise that no one can figure out ... three bike shops can't figure it out . it sounds like the brake pad is rubbing against rim but it's not . the wheel only makes the noise while mounted, it's silent removed and spun while holding in hands . I went on you tube and server riders are experiencing the same phenomenon . it's does not effect performance but it's driving me crazy . does anyone have same experience

    Make sure your cassette is on really tight.

    Avg. ride time: 2h 21m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    I have an older frame, 2009 BMC SLX01 Racemaster. Not much clearance for wide rims/tires. Are these wheels compatible? Also, I assume a spacer is included for running a 10-speed groupset? Thanks.

    I don't have a definitive answer, but 20.8 mm has been Shimano's stock rim width for at least...a decade(?), so I can't imagine that an '09 BMC wouldn't have been able to take any Shimano wheel at the time. And 20.8 mm isn't exactly "wide"; I think 19mm is the old standard. If you run into any clearance issues it'd probably be from wider tires.



    Yep, as noted in an answer to another question here, a spacer is provided.

    What are the tiny holes drilled into each side of the wheel for?

    This is to allow any water I believe escape the rim. The C35 also has this.

    Is there an upper rider weight recommendation for these wheels?

    Best Answer

    I have weighed 240 when I bought the C24's (Tubeless ready model) now 9,000 miles and 2 years later at 215, wheels are still going strong. I have hit many potholes and obstacles, don't want to jinx by saying b---proof. (all on Giant TCR Composite bike)

    Unanswered Question

    Do these wheels have brass or alloy nipples?

    Are these wheels compatible with Shimano Ultregra 6800

    Best Answer

    Steve, these wheels are not specific to Ultegra 6800. You can use them with any bike (as long as it can handle 700 size wheels) on any drivetrain. So the answer to your question is yes. You can use those wheels with your Shimano Ultegra 6800. (I have these wheels on my Ridley Fenix with Ultegra 6800 and Conti 4000 II 25mm tires.)

    Avg. ride time: 1h 36m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.
    45

    Great Wheelset with one caveat.

    • Familiarity:I've put it through the wringer

    Purchased these as a climbing set of wheels and they have not disappointed in that regard. Light and stay true. However, the braking surface of the front rim has a slight high spot. This could not be trued out. A little internet digging uncovered that fact that this is rather common. It causes the wheel to grab and pulse when braking. I managed to solve the problem by going to the Reynolds Cryo Blue brake pads that they require for their own carbon rims. This works a treat. The pulsing is gone at a slight sacrifice to braking efficiency.

    I've been riding these wheels since last Spring and they are flawless. I love them, and keep them under my pillow at night. I just rec'd the Vittoria Open Pave EVO CG III, 27 mm tires and want to confirm that I can run them on these rims? Thanks

    Best Answer

    Yes, just make sure the tires are 700x27c or 700x27mm. These Dura Ace wheels fit most width tires...22,23,24,25,27,28. The tire manufacturer will also specify the rim size their tires are designed for. These "standard" road bike rims are 622x15C. Most road tires fit these commonly sized wheels. Ask any LBS and they can offer more assistance if you need it. Happy riding! Don't get the spokes caught on your ears at night.

    45

    Great wheels

    • Familiarity:I've put it through the wringer

    Got em for training. Now after putting the first 1000 on em, I'm very seriously considering another set just for Hillier road races .. They ride smooth. Very responsive. Great power transfer!! Haven't even gone a hair out of true.

    Does anyone know what type of brake pad should be used with these wheels? Since they are carbon fiber with aluminum braking surface I don't know if a carbon specific pad should be used or if regular rubber pads are acceptable? I've not been able to find an answer on the Shimano site.

    Aluminum brake pads. I have been running these wheels with Swissstop green pads for over a year. Love 'em.

    Can these be converted to tubeless? Is that a good idea? What width tires is recommended? Is 25 mm OK, good?

    Best Answer

    You could, but Shimano makes a tubeless version of this wheel:

    SHIMANO DURA-ACE WH-9000-C24-TL



    If you want to run tubeless, you should be considering this wheelset instead.

    I run the C24-TL and have for the last couple of years. The first 2 or 3 months the rims with Hutchinson Atom tubeless were great. BUT, almost impossible to get on. Broken tyre levers and fingernails by the side of the road. A couple of thousand kms later and a couple of flats - the very slow leaks started. Then the world of pain exploring how to make tubeless not leak. Stopping short of injecting goo, I opted for trusty GP4000s on these TLs ( tight to get on but ok ). Great ride, great rims, but go for the non-tubeless ordinary C24 rims.

    I run Schwalbe HS One Tubless tires on this wheelset. They work great and go on easily if you learn to put the tire bead in the depressed center rim track and work the tire on by hand. No tools needed. Takes a little practice, but once you get used to the technique, Tubeless tires go on easily.

    Is There A Rider Weight Limit Specified on the dura ace c24 wheelset

    Best Answer

    I too am interested in an answer to this question. Thanks!

    55

    Love these wheels - great all around!

    • Familiarity:I've put it through the wringer

    Love these wheels for climbing and all around performance. They spin up quickly, given the weight at the hubs vs the rims. Makes a huge difference on a 13,000 ft climbing day. They also perform exceptionally well on the flats and provide a ton of confidence descending. Perfect balance of compliance and stiffness with bomb-proof build.

    will these run a 10 speed and 11 speed cassette ?

    Best Answer

    It is set up with an 11 speed freehub, but these are compatible to run 10 speeds with a spacer behind the cassette

    What is the warranty on the Shimano Dura-Ace WH-9000 C24 CL ?

    Hey Rvk,

    Shimano offers a 3 year warranty on these wheels from the date of purchase.

    Avg. ride time: 6h 56m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    I've just ordered these and now a buddy is telling me that Shimano advises that you should not use a tire lever with them as it could bend the rim. Is that true??



    Also, btw-- there is a type in your description above. You have: "This creates an even smoother airflow then varied front and rear rim depths." Should be "... than varied front and rear..."

    Best Answer

    Hi, I took a look at the Shimano Dealer's Manual for Road Wheelsets, and found the following on page 29, in the section titled "Installing and removing tubeless tires."



    "The tires should always be installed and removed by hand. Never use tools such as tire levers, as they can damage the seal between the tires and the rims and cause air to leak out from the tires."



    I think this direction is specific to the installation of tubeless tires, and is concerned more over damaging the tubeless bead on the tire than the rim. Additionally, Shimano makes a tubeless-ready version of the c24 wheels, but this one is not, so the advice on tubeless tires does not apply.



    I did not find any other reference to tire levers in the manual. Within reason, you should be fine to use a lever or two when installing or removing conventional non-tubeless tires.

    Avg. ride time: 1h 13m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    It may be a silly question, but I am new to road cycling. I have a good bike, carbon fiber Scott, full Shimano Ultegra. Would these wheels be a compatible upgrade?

    This wheels would be an excellent upgrade and they will work on that bike as well. Give me a shout and I would love to help you out with an order.



    801-736-6396 ext 5630

    adewitt@backcountry.com



    Avg. ride time: 7h 52m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    is the freehub compatible with a sram cassette?

    Yes, I am running a 12-32 sram PG-1070 cassette on this wheelset.

    Avg. ride time: 6h 37m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Are there any "issues" using 25 mm tires...

    Are there any "issues" using 25 mm tires on these wheels? I recently switched to 25 mm tires and would like to use them on these. Thank you.

    You should have no issues running 25mm tires on these wheels.

    Best Answer

    25mm is the way to go. I use a Scwalbe Marathon Plus 25mm on the back C24 for not flatting out, and a Michelin Pro Service Course 4 25mm on the front.

    I am running 25mm Continental 4000 S and they can be mounted by hand. Nice ride!

    I am running 28 mm Continental Gatorskin Hardshell with no problems, have done so for about 500 miles.