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  • Mavic - Ksyrium Pro Carbon SL C Wheelset - Clincher -

Mavic Ksyrium Pro Carbon SL C Wheelset - Clincher

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11 Reviews


The king has returned.

In the days of classic tubing and graceful shift cable arcs, Mavic's aluminum Ksyrium wheelset held court as the legendarily bombproof race wheel of choice. In the best of times, the Ksyrium wound up fast for a snappy, responsive ride, and in the worst, we've seen the mid-2000's era hoops emerge unscathed from a high speed fray with a competitor's rear derailleur that would have left almost any other wheel wobbling home minus a few spokes. The influx of carbon wheels has relegated even the most royal of alloy rims to training miles, though, and the new Mavic Ksyrium Pro Carbon SL C Clincher Wheelset is stepping onto the scene with a full carbon rim and Mavic's trademark reliability to regain its place at the pointy end of the peloton.

Mavic launching a full-carbon rim is a stop-the-presses moment for the bike industry. The company is nothing if not a stickler for safety and has long been a stubborn outlier with its aluminum-bedded braking surface in its carbon wheels, citing concerns over safety and braking performance with full-carbon rims. Mavic claims to have finally cracked the heat buildup and braking power puzzle with its iTgMAX rim construction, which uses a proprietary resin to resist heat buildup and reduce chances of rim failure or tire blowout. Along with Mavic's laser etched braking surface, this technology results in exceptional braking reliability across wet and dry conditions for a claimed 48% reduction in stopping distances compared to other carbon rims. We haven't been able to test this out, but Mavic revolutionized aluminum braking surfaces with its Exalith design; we see no reason why they wouldn't do the same with carbon.

While that heat resistance is mostly about improvements to resin, deformed rims aren't the only wheel failure woe Mavic's iTgMax technology addresses. The all-important carbon layers of material in the tire bed are wholly intact. There's no cutting fibers, no Frankensteining, no creative gap filling, and no machine finishing. By keeping each layer intact and not disturbing the finished product, Mavic reduces the chance of introducing the artificial weak points that plague piecemeal carbon lay-ups and machined bead hooks, maintaining a solid surface for increased structural integrity.

Mavic uses 3K carbon fibers to shape the rims in a bullet-nose profile. While this wheelset isn't specifically called out as "aero", Mavic constructed it specifically with climbing in mind, so the 25mm-deep sections are dependably stable while riding in crosswinds and tackling twisty, long descents. Mavic also paid close attention to the wheels' impact resistance, ensuring the wheels will be able to withstand long days on weather-beaten shoulders and chip-sealed roads on days when silky smooth tarmac is a distant dream.

Though Mavic tends to privilege tradition, this wheel proves it isn't afraid of well-executed change. In addition to the full-carbon rim, Mavic distinguishes itself as the first manufacturer to introduce a mass-produced wheel with a ratchet ring engagement system. The design, referred to as Instant Drive 360, is centered on a 40-tooth, dual ratchet construction that boasts nine degrees of engagement. This marks a significant step forward for factory-built wheels because it features the kind of responsiveness and longevity normally reserved for third party hubs on hand-built customs. The Instant Drive 360 hubs also feature more reliable, no-contact seals as a barrier against damaging road grit, and they shed a claimed 40g compared to the FTS-L hubs.

The Ksyrium Pro Carbon SL C Clincher wheelset includes Mavic's signature Yksion Pro tires, with GripLink up front for increased cornering confidence and PowerLink in back for a smooth, fast-rolling ride. Regardless of position, though, both tires receive a nylon breaker for flat protection. Each wheelset is also packaged with carbon brake pads, rim tape, quick-release skewers, and a multifunction adjustment wrench.

  • An all-purpose race wheel that stands up to daily abuse
  • The legendary Ksyrium gets updated with a full-carbon rim
  • Blunt-faced rim profile improves wind stability
  • Expanded width well-suited to 25mm tires, the new race standard
  • New freehub rivals those found in hand-built, custom wheels
  • Get out on the road fast with included Yksion Pro tires
  • Mavic delivers bombproof reliability in a race-ready package
  • Equipped with Mavic's 25mm Yksion Pro tires
  • Item #MAV00A6

Tech Specs

Rim Material
3K carbon fiber
Wheel Size
700 c
Tire Type
Rim Depth
25 mm
Rim Width
[internal] 17 mm, [external] 25mm
Brake Compatibility
Instant Drive 360
Spoke Nipple
aluminum, ABS
Spoke Count
[front] 18, [rear] 24
Claimed Weight
[pair without tire] 1,390 g
Recommended Use
Manufacturer Warranty
2 years

Tech Specs

  • Reviews
  • Q & A

What do you think about this product?

Have questions about this product?

Nice Wheels

  • Familiarity: I've used it several times

Compared to my Ksyrium Elites the weight is pretty much the same. At least according to my Park scale. The braking is superb on these wheels. The stiffness of the carbon rims is a moot point since the flex of the the flat steel spokes, coupled with the low spoke count, negates any inherent stiffness of the carbon.

Would I buy these again? Probably not. Simply because I don't have any practical use for carbon wheels. This purchase was merely an indulgence since I have never owned carbon wheels before, and I just wanted to experience them. Now I can check them off my bucket list :)

Do the carbon rims smooth out any road buzz? I don't know. Maybe? Or maybe it's just my carbon frameset smoothing out the road buzz. Who knows?

However, if I were a racer, maybe I'd buy them again. I don't know. I really didn't notice any difference in ride quality between these and my Ksyrium Elites. My biggest complaint, however, is that the ID360 hubs on these wheels is really LOUD.

Over all, these are pretty nice wheels.

Love this wheel set

  • Familiarity: I've put it through the wringer

I absolutely love these wheels. They are super solid and for the price you'll not find a better wheel set. Our roads here in Sonoma County, CA can be pretty rough and beat up, but the carbon rims soaks up quite a bit of the bite, especially with a nice Vredestein 25c tire (I didn't use the included Mavic tires), yet are very responsive and spool up nicely under acceleration. They've totally changed my machine for the better. I completely recommend them.

Solid Wheelset

  • Familiarity: I've used it several times

I purchased these wheels for a trip to Majorca as all my wheelsets are tubulars. I was not thrilled about spending much money on clinchers but I think these wheels perform very well considering, and they were onsale. The wheels are light although I didnt weigh them and while climbing seem to spin up fast for me. Descending was nice as they held lines through corners without forcing them too much. People say they are very stiff but I didnt think they were much stiffer than my Easton SLX 90 Tubulars. The Mavic tires are soft and hook up on corners quite nicely which builds good confidence when coming down through switchbacks in Majorca without much for guarding. I did keep an eye on the tire surface for cuts but nothing really showed itself which surprised me with the rubber being as soft as it is. Most road surface was good but when water is running across the road there is a good chance for debris waiting to cut a tire. Wheels held true in both planes even though I did a few bunny hops and weigh 80kg. Braking on descents was easily modulated with good feel but I never really got in any amount of rain to feel how well they brake in that condition. If there were any clincher wheelset to make me consider running them instead of Tubulars than this would be the set. We did 16000 meters of climbing over 1100 kms which should be enough to know a wheelset.

Many Miles Await These Wheels

  • Familiarity: I've used it once or twice and have initial impressions

To date, 28Feb18, I have ridden these wheels once, but, already I can see how fantastic they are. Some reviews claim they are harsh, but I just don't understand that. You want a solid stiff wheel, not something squishy. Also carbon doesn't remove the sensation of bumps/ cracks/ etc in the road. You get a deadened sensation. I live in New Hampshire and we deal with frost heaves and the resultant cracked pavement. These wheels are great and brake just as good as aluminum rims.

Solid wheels for the money....

  • Familiarity: I've used it once or twice and have initial impressions

Worked great on the flats and stiff reaction when the power was applied to the pedals. I like the sound of the hubs and not very loud. Overall very pleased....I was worried about a harsh ride but I did not experience and I ran about 95 to 90 psi. The rims are very wide.

Harsh ride

  • Familiarity: I've used it once or twice and have initial impressions

I used those wheels on a 33 mile ride (Specialized Tarmac). The ride is simply too harsh to appreciate any gains in speed. At the end of the ride I couldn't wait to get off the bike. Never felt anything like that on the original alloy wheels that came on the bike. My hands were sore for a few days after that ride. No wonder I returned them the next day. Cycling is meant to be fun and not a painful experience.
If you are planning to use the wheels on a bike with shock absorption like Specialized Roubaix, you may be OK. You will still have to deal with the noise issues though. If you have a regular bike I would recommend to look somewhere else.... Sorry Mavic, I have been a fan for years..

Solid Climbers, although...

  • Familiarity: I've put it through the wringer

I rode a pair of these over the past summer. Even at a heavy discount like this, they weren’t exactly cheap. So, before purchase/taking them out on the road, I had been concerned about braking, durability, weight, performance, and ride quality, in that order. Braking is good, but it does not match the secure, instantaneous, precise grab of high quality aluminum rims. Durability/trueness has been impressive. On one ride, I was forced to ride about 15 km back home, over crap rodes, on a flat front tire (my CO2 inflator had blown an O-ring). I expected the worst, but the wheel was as round and true as ever. It and the rear still are, after almost 1000 km. As I recall, my set was about 50 g over the stated 1390g. As a reference, my set weighed 2380g with a Dura-Ace 9100 cassette (11-25), along with the skewers, tires (since replaced; not a big fan of Mavic tires), and tubes that came with the wheels. So they’re light enough. Performance is absolutely superb in all respects—especially flying up hills. Gives you a ‘rush’. The trade-off is that they can be a tad on the harsh side. But they’re on a Dogma F8, the ride of which is less forgiving than some, anyway. If there were one thing I could change, it would be the annoying, extremely loud whirring sound when braking—regardless of speed or conditions. Mavic’s hub, too, is incredibly loud, which may be unavoidable, given the instantaneous pawl engagement. But it is bothersome, to my mind/ears. The pads tend to shed a lot of dust, which coagulates behind the brake shoes, so I imagine they will need more frequent replacement than other types. One important note: the wheels require 25-32 tubes, as per an easily overlooked warning sticker right on the rims, by the valve stem drill-out. Definitely heed this. I tried to get by with an 18-25 with a Vittoria Corsa 700x23, which I have reason to believe caused the tire to blow off the rim (see flatting episode above). Just glad it didn’t happen on a fast descent. Bottom line: I love these wheels–on sale. Otherwise, I will stick with Campy Eurus or Neutron: 50-60 heavier (Campy, I have found, actually OVERstates their weights, by the way!) and a bit less responsive— but just as durable, more comfortable, with a lively road feel, at half the price. And they’re quiet as a mouse.

weight specs

    Mavic includes tires and tubes set up on their wheels which really adds to the deal on these. I have had a lot of people ask about the actual wheel weight since the listed weight included skewers, tires, and tubes. Claimed weight without tires/tubes/skewers is 1390g, which is lighter than Enve 2.2 (1400g) and Zipp 202 (1450g). pretty impressive stats. feel free to reach out with any other questions

    These wheells are more than i expected!!!!!

    Light, fast and smooth on the road.

    Addittionaly, because of the design, looks grat on my Trek Emonda SL6.

    Plus, great post sale service whit Competitive Cyclist and Backcountry.

    Rolling on the Colombian Roads.


    • Familiarity: I've put it through the wringer

    I was in a crash in which my rear triangle was run over by another rider. Seatstay and chainstay cracked ... but my Mavic Ksyrium Pro Carbon wheels survived, and were still as true as the day they arrived! These wheels may not be bombproof, but they continue Mavic's legacy of extremely durable wheels.

    The wheels are fantastic. The hubs will spin for days and the rims, while not as wide as I had hoped, are lightweight and stiff. A perfect wheel for fast twisty descents and strong crosswinds. Aesthetically, they are striking. Buy them, don't wait!

    Mavic is back!

    • Familiarity: I've used it once or twice and have initial impressions

    Admittedly, Mavic has been lagging behind the times in wheel design for a few years. They've relied on tried and true alloy wheels but the carbon offerings were stuck in the past.

    Well, Mavic's new line up changes all that. It begins with the new Ksyrium Carbon. Worthy of their durable and venerable namesake the Carbon's are fast, smooth and stiff. Braking is the best of any carbon wheel I've ridden.

    I've sampled a few new Mavic offerings and these have been my favorites so far.

    Hit me up directly with more questions or if you would like to place an order. 801-389-7247

    Hi Peter! I didn't get to try the wheels in the rain but from what I could gather with dry braking, wet performance should be at least as good as anything I've ridden but more than likely even better. Stopping power and control is excellent.

    Stiff, Zippy wheels.

    • Familiarity: I've used it several times

    I've had the chance to take these on a few rides, and so far have come away impressed. While being stiff when I drop the Gavel, they also spin up when it's time to go.

    At 1390g for the pair they're pretty dang light- without any hesitation or flex. The engagement of the instant drive 360 hubs is instantaneous which adds to the quick responsive feel of these. These sure are an upgrade from my Mavic Ksryium Elites circa 2010.

    The ITGmax braking track provides exceptional braking with confidence, and with a 265lb Mavic recommended weight limit assures that these are tough wheels that can be used for both training and racing.

    If you have any questions- or just want to chat bikes- hit me up!

    Scott Gartman: Expert Gearhead-Bike


    Stiff, Zippy wheels.

    So, are these totally safe to use in extreme descending conditions?

    Hi Flavio,

    Yes, these wheels are certainly safe for long and steep descents. There will be some difference in braking characteristics between a carbon wheel and an alloy wheel. However, I've used this wheel on many steep climbs as well as many steep descents and can say from experience that they brake better than many carbon wheels I've tested.

    Please feel free to reach out to me to discuss the wheelset in more detail. I'd be happy to talk about my experience riding the wheel!