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Mavic Ksyrium SLS Road Wheelset - Clincher - 2014

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Item # MAV001T

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While we understand the obsession with carbon fiber rims, the Mavic Ksyrium SLS Clincher Wheelset begs the question, why bother? That's because they're feathery light and stunningly stiff, and considerably more affordable than the closest carbon competitor. That means precise tracking when you're flying into chicanes at 50mph, without sacrificing the spirited climbing you need on the way back up. And if the package wasn't sweet enough, it also includes Mavic's venerable Yksion Pro tires to keep you in touch with the road.

The Ksyrium SLS wheelset achieves its feathery-light 1395g weight thanks mostly to the highly refined rim profile. Mavic built the world's first aluminum bicycle rims in 1934, so you could say they've got some experience. After being extruded and rolled into a perfect circle, the rim faces are machined, for pulse-free braking. The inside of the rim is then machined using Mavic's ISM 3D technology to relieve any unnecessary material from around the spoke holes, while leaving plenty of meat to resist spoke pull-through.

Right about now, you may be thinking that shaving off so much metal would result in a rim that's flexy, but you'd be forgetting about Mavic's FORE drilling. You see, while most rims are drilled through the outside to establish a spoke bed, Mavic only drills through the inner face of the rim, and adds a threaded insert. Between maintaining the integrity of the rim, and adding the threaded inserts, it yields a rim that's much stiffer than rims that are hundreds of grams heavier.

With all the effort put into lightening the rims, it's only fitting that the Ksyrium SLS gets a carbon-shelled hubset. Enhancing the lightness is an FTS-L freehub, which is built from aluminum, with two stainless steel inserts in between the hubshell and the pawls. What that means for you is the lightness of an alloy freehub, with the durability of a steel freehub. The hubs also benefit from Mavic's QRM+ technology, which employs double-sealed low-friction bearings. And they lace up with Zicral spokes, which have proven to be durable under heavier riders, while still being incredibly light. Plus, the Ksyrium SLS's come wrapped in Mavic's excellent Yksion Pro tires.

The Mavic Ksyrium SLS Clincher Wheelset is sold as a set, with the option of either Shimano/SRAM or Campagnolo, both of which come with 11-speed-compatible freehubs. This wheelset includes Mavic Yksion Pro tires.

Tech Specs

[rim] Maxtal aluminum
Rim Depth:
[front] 22 mm, [rear] 25 mm
Front Hub:
Mavic QRM+
Front Hub Type:
Rear Hub:
Mavic QRM+ FTS-L
Rear Hub Type:
quick release
Front Spoke Count:
18 hole radial
Rear Spoke Count:
20 hole Isopulse
Brake Compatibility:
Rotor Compatibility:
Front Weight:
605 g
Rear Weight:
790 g
Complete Set Weight:
[without tire system] 1395 g
Recommended Use:
road cycling and training
Manufacturer Warranty:
2 years

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Unanswered Question

Are these wheels compatible with Shimano 9 speed?


Broke 3 spokes in 6 months of riding

  • Familiarity:I've put it through the wringer

I've probably only put less than 1000 miles on these wheels but I have suffered broken spokes on three separate occasions. Once I was going downhill at about 25 mph and a back spoke just snapped. The other two times were within a week of each other and I was only going about 15 mph on a flat. I'm just shy of 6'2" and weigh about 173 lbs.



  • Familiarity:I've put it through the wringer

I've had these about a year and a half. Only used them for fast club rides and not everyday training. Though at 1450 grams they are fabulous to ride I broke two spokes (one in front one in back) in a month. I've lost all confidence in the aluminum spokes and will not ride these again. I'm 6'2" and 175 lbs so I'm a big rider but not a clyde. I've been riding Mavic wheels since the 90's when they came out with the original Cosmics and they've always been bomb-proof. I've never even needed to true a Mavic until these incidents. I think the steel spoke Ksyrium Elites (which I use for everyday training - for the last five years without an incident) are heavier (by 100 grams) but far superior and cheaper. No more aluminum spoked Mavic's for me.



  • Familiarity:I've put it through the wringer

Bought this wheelset about one year ago and have suffered three broken spokes (2 in the front, 1 in the rear) since then. For $1,100, that is NOT supposed to happen. I am lucky to still be alive as one of those spokes sheared off as I was on a descent.

I ride very very carefully. The roads where I live are also relatively good. I wouldn't recommend these wheels to anyone over 140 lbs. or anyone interested in riding hard.


Bad quality

    Bought a pair of these rims last year within 6 months rim had a split in the rim by one of the spokes sent it back to magic they replaced the hoop and put old spokes back a few months later spokes started to break sent back to mavic again they replaced all the spokes got the rim back and about 5 months later took the bike in for a tune up to find out the same back rim had splits in the rim again after only about 5 months I tried to do research on these rims to find out what the weight limit was because I weigh 220 kept getting answers like your weight is fine should be no problem guess not rims should not kept splitting every 6 months if my weight was ok.

    Unanswered Question

    Hi - what is the interior and exterior rim width? everyone seems to be going wider these days but its not listed so I assume these are the same as my Ksyrium SL's from 2004?

    Avg. ride time: 10h 35m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    hello, can somebody please tell me the...

    hello, can somebody please tell me the rider weight , i weigh approx 185 lbs. thank you so much in advance

    This wheel would work great for your weight. This particular wheel set has a 225 lbs weight limit.


    Great climbers

    • Gender:Male
    • Familiarity:I've put it through the wringer

    Had these wheels for a few months now and enjoying them. The look great on my bike, and I can definitely feel the difference when climbing and accelerating. For what it's worth, my times on my local climbs have improved since putting them on. Ditched the stock Mavic tires and put on a set of Conti Grand Prix 4000s which made for a better feel on the road. The only downsides I've noticed are that the bladed spokes seem to be affected by side-winds more than other wheels with bladed spokes that I've ridden. On a long semi-windy descents I get blown all over the road. I've also noticed a little wobble in the front wheel when descending over 35 mph - am playing around with the hub tightness and headset to see if I can fix it, but haven't had this problem with my other front wheels.

    I have the same problem with my Mavic R-SYS SLR wheel set. When I decended and passed 30 to 35 I've gotten a lot of Ft. wheel wobble. I just bought this set in Feb 2015. I took the bike to cycyle shop and explaned the problem and they thought that maybe a larger tire size. I put on a set of Connti grandprix 4000's 25's on. I had my SL S-works handlebar stem flipped, so it's has more of a slight upper angle. They took the bike on a test ride and didn't notce. They need to get the bike up to flying speed. There no hills that close to test area - lol. I'm planning on taking the bike down the same hill soon. I will let you know the test results.


    Solid as hell!

    • Familiarity:I've put it through the wringer

    This is a great wheel set! I've put a few K's on them and comparing them with a bunch of other similar wheels they're definitely one of the better wheel sets out there. I work in a bike shop so I get to try a few sets of wheels every now and again. A great climbing wheel and super solid on the way down. Mavic know how to make wheels!

    Is this the 2014 wheelset? I see a very...

    Is this the 2014 wheelset? I see a very similar listing here:

    They are indeed the 2014 model! Let me know if you have any other questions

    Avg. ride time: 6h 7m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Is this hub also compatible with 10 speed...

    Is this hub also compatible with 10 speed cassettes?

    Best Answer

    Mavic freehub bodies are compatible with both 10 and 11 speed cassettes. They include a spacer that goes behind the narrower 10 speed item.

    yes they are, you will need a spacer to make it work.