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Mavic.com

Roll faster and smoother with a reduced risk of punctures

With UST Road Tubeless, no tube means no friction. So you experience less rolling resistance and higher speeds.
UST Road Tubeless lets you ride with lower tire pressure for smoother ride and a reduced risk of punctures
Our patented UST system offers a perfect union between tire and wheel, so installation, removal and maintenance are easy

Superlight for fast climbing and instant acceleration

ISM 4D rim machining makes for the lightest road rims
Zicral spokes lower weight while maintaining stiffness
Smooth-riding Yksion Pro UST tires

Ride with the confidence of a stronger, more durable wheel system

Fore drilling creates a stronger spoke/rim interface
Strong oversized Zicral alloy spokes
Sealed cartridge bearings

Equally adept on fast, rolling roads or mountain terrain, the Ksyrium Pro UST gives you all the advantages of our Road Tubeless system including less rolling resistance and a smoother ride quality.
When paired with the new Yksion Pro UST tubeless tires, you get a perfect union between the wheel and tire, ensuring easy, hassle-free installation and removal thanks to our proven UST technology. And no tubes means no friction with the tire, so you roll faster using less energy. You can also lower your tire pressure for a smoother, more compliant ride, even on rough roads, with a reduced risk of punctures.
Beyond the benefits of tubeless, all the other favorite features of this wheel stay the same. A wider rim shape (17mm internally) allows for an 18% increase in air volume for your tires. That extra volume gives you a more controlled and comfortable ride without compromising efficiency.
The Zicral alloy spokes are stiffer, stronger and lighter than traditional stainless steel spokes.
The Isopulse lacing pattern (radial lacing on the drive side) allows a more balanced spoke tension for a stiffer, more stable wheel. Fore drilling creates the strongest possible connection between rim and spokes, increasing stiffness by about 20%. Each part of the rim is precisely machined using just the right amount of material to provide stiffness and strength, while maintaining weight at only 400g. Total wheel weight is about 1420g.

Ksyrium Pro UST is rated 3.7 out of 5 by 7.
Rated 4 out of 5 by from a few issues I have a few issues with this wheelset/tire combo. The video I watched claimed mounting/dismounting the tubeless tire was easy. For me it was a struggle and I dread getting a flat on the road and having to install a tube. Also I have trouble getting the front tire to hold pressure. An almost new front tire unluckily sustained immediate damage so I installed a new one. If I inflate the new one to 75-80 lbs it drops to 65 lbs on a 2-3 hour ride. I re-inflate before every ride. Aside from this, I like the feel of the tires on the road. It does take some getting used to ... riding much lower tire pressure than I am used to ... .
Date published: 2018-08-04
Rated 1 out of 5 by from Corrosion After Just 2K Miles Extremely disappointed. Had to replace bearings and have rear hub serviced after 2,062.63 miles and 3.5 months because water penetration caused corrosion. Now pawl is sticking. Mechanic suspects corroded bearings put unusual load on axle and/or chipped pawl. Need to rebuild hub at my own cost. Dealing with Mavic warranty service is a huge hassle. Ironically, the LBS where I purchased these gave them to me as a replacement for a defective Ksyrium Elite Pro SL wheelset (weld slag in front wheel) that took months for Mavic to address and still didn't repair correctly.
Date published: 2018-10-16
Rated 5 out of 5 by from Amazing! I installed these wheels on my Moots on February 1. Since then, I have ridden the wheels and tires more than 3000 miles. Today, I had my first real puncture and the Mavic sealant worked perfectly. When I got home, I noticed that there were several pinhole sized punctions and one 4-5mm. The tire still kept air! Thank you for making such a great product.
Date published: 2018-07-18
Rated 5 out of 5 by from Ksyrium pro ust Bunch of rides on this. Have been running road tubeless when Shimano and Hutchinson were it. Have been waiting for Mavic to jump in. Always loved Ksyrium, love it more with UST. Have a compressor but used a hand pump just for fun. Yup, it works. Only road tl have been able to do that with. Light, stiff, compliant.
Date published: 2018-01-29
Rated 4 out of 5 by from Great wheels I went from Ksyrium SL 08's to these new wheels. The instant start hub gives you immediate power of the line. Much quicker than my SL's. Love the fact I can go tubeless or clincher. These wheels are a winner for me. I hope maintenance is easy for the new hubs!
Date published: 2017-10-31
Rated 3 out of 5 by from Slow leaks Big step up from my open pro Ultegra wheels. Fast and stiff. Ride smooth at 87psi. My problem is air. Cannot keep pressure in the rear wheel. Need to pump every day. Finally did the water dip test yesterday. Find I am leaking in the side wall about 1/8 inch from the rim.
Date published: 2018-06-01
Rated 4 out of 5 by from Awesome rims one defective tire The rims are stunning. The UST system worked for front tire, but like the other reviewer my rear tire has a leak in sidewall. So I have a tube in now. Clearly a factory defect. Mavic should send a replacement tire but have not responded.
Date published: 2018-06-15
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Compatibility

  • Rear axle: Quick Release only
  • Front axle: Quick Release only
  • Freewheel: Shimano/Sram, convertible to Campagnolo and XD-R with optional driver bodies

Compatible Adapters and freewheel bodies

  • ID360 Shimano / Sram freewheel body (V3440101 - Delivered on the wheel)
  • ID360 XD freewheel body (V2580101)
  • ID360 Campagnolo freewheel body (V3440101)
  • ID360 Shimano / Sram Light freewheel body (V3850101)

Weight

  • Pair without tire: 1410 grams
  • Front without tire: 590 grams
  • Rear without tire: 820 grams

Hubs

  • Auto adjust sealed cartridge bearings (QRM Auto), front and rear
  • Freewheel: Instant Drive 360
  • Front and rear bodies: aluminum
  • Axle material: aluminum

Intended Use

  • For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels don't exceed 120kg, bike included
  • ASTM CATEGORY 2 : road and offroad with jumps less than 15cm
  • Max. Pressure tubeless: 25mm 7 bars - 100 PSI, 28mm 6 bars - 87 PSI. Max pressure tubetype: 25/28mm 7,7 bars - 110 PSI
  • Recommended tyre sizes: 25 to 32 mm

Rims

  • ETRTO size: 622x17TC ROAD
  • Weight reduction: ISM 4D
  • Height: front 22 mm, rear 25 mm asymmetrical
  • Internal width: 17 mm
  • Valve hole diameter: 6.5 mm
  • Tyre: UST Tubeless and tubetype
  • Drilling: Fore
  • Brake track: UB Control
  • Joint: SUP
  • Material: Maxtal

Spokes

  • Shape: straight pull, bladed, double butted front and rear non drive side
  • Nipples: Fore integrated aluminum
  • Lacing: front radial, rear Isopulse
  • Count: front 18, rear 20
  • Material: Zicral

Tire

  • Front and Rear Tread: 11 Storm single compound
  • Yksion Pro UST
  • UST Tubeless Ready
  • Dimension: 25-622 (700x25c)
  • Breaker: Polyamide, from bead to bead
  • Casing: 127 TPI
Delivered with:
(Adapters delivered with 2019 wheels only)
  • Tyre sealant syringe
  • Mavic tyre sealant (rear wheel)
  • UST valve and accessories
  • User guide
  • BR601 quick releases
UST Tubeless Ready

UST Tubeless Ready

Traction, control and lightweight
The UST concept improves traction, control and comfort while reducing inertia and flats.
The 'tubeless ready' construction results in a lighter tyre for improved performance.

Zicral

Zicral

Light, stiff and strong
A specific aluminum alloy that provides spokes with higher stiffness-to-weight ratio while being stronger.

Fore

Fore

Stiffer and stronger
Instead of being drilled, the lower rim bridge is pushed up on the inside, then threaded to enable the spoke nipples to be directly screwed in it, leaving the upper rim bridge intact.

Instant Drive 360

Instant Drive 360

The new Instant Drive 360 freewheel system is super light and fast to engage with only 9°. A large contactless rubber seal provides low friction, while a wide array of end caps makes it super versatile.

ISM 4D

ISM 4D

Inter Spoke Milling 4 Dimensions
An exclusive Mavic patented concept, ISM 4D significantly reduces weight and inertia without compromising durability. Quicker accelerations, better handling and more resistance ; the right mix to make the most of any ride. The smooth profile also helps reducing aerodynamic drag

SUP

SUP

Stronger and smoother joint
Soudé Usiné Process. After bending, the rim joint is arc welded. The welded seam is then milled for a smooth finish.

Maxtal

Maxtal

Light and strong
Exclusive to Mavic, this specific aluminum alloy offers a higher strength to weight ratio than conventional 6106 alloy.

Isopulse

Isopulse

Optimum energy transfer
The spokes are laced radially on the drive side and crossed 2 on the non drive side to maximise drive side dish, thus providing a better spoke tension balance between left and right flanges.