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free ground shipping on all orders over $50 and free 30 days return
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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

Accelerate and climb with less effort

Wheelset weighs only 1390g
Lightweight carbon rims weigh only 405g each
Instant Drive 360 hub for fast engagement, smooth rolling efficiency

Reliable braking performance

iTgMAX carbon technology for superior heat resistance and reliability
Laser-treated brake track delivers predictable braking performance in dry or wet conditions
Unique single carbon layer rim wrapping is created without machining or fiber cuts

The Ksyrium line has always offered the unbeatable combination of light weight, high stiffness, comfort and reliability. Now we’ve added our UST Road Tubeless technology to make the Ksyrium Carbon SL UST even faster. Eliminating the tube also eliminates friction, so you roll faster with greater efficiency. And now you can run lower tire pressures in the Yksion Pro UST Tubeless tires for increased comfort and a reduced risk of flats. As a bonus, the UST system including sealant weighs less than a traditional tube and tire system. Added rim width (19mm internal/25mm external) allows for increased air volume in the tires, which further improves ride quality, and the round, smooth rim profile makes it one of the most aerodynamic wheels in its category. With our iTgMax rim molding process, the resin is enhanced through a proprietary heat treatment protocol that makes it able to resist heat better than any other carbon clincher rim. And a laser preparation of the brake track produces reliable braking performance. The spokes are bladed and double butted. Using 20 in front and 24 rear creates high stiffness, low weight and long-term reliability. The Ksyrium Pro Carbon SL C also includes our new Instant Drive 360 freewheel system hubs for fast engagement, high axle stiffness and great durability. And if you need to service it, the tool-free design makes it simpler than ever.

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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: 1445 grams
  • Front without tire: 640 grams
  • Rear without tire: 805 grams

Hubs

  • Front bearings : adjustable sealed cartridge bearings (QRM+), Rear bearings : auto adjust sealed cartridge bearings (QRM Auto)
  • 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 1 : road only
  • Max. Pressure tubeless: 25mm 6 bars - 87 PSI, 28mm 5 bars - 70 PSI. Max pressure tubetype: 25mm 7 bars - 102 PSI, 28mm 6 bars - 87 PSI
  • Recommended tyre sizes: 25 to 32 mm

Rims

  • ETRTO size: 622x19TC Road
  • Use with Mavic Tubeless Tape
  • Material: 3K carbon fibers
  • Height: 25mm
  • Brake track: carbon with iTgMAX technology
  • Drilling: traditional
  • Internal width: 19 mm
  • Valve hole diameter: 6.5 mm
  • Tyre: UST Tubeless and tubetype

Spokes

  • Shape: straight pull, aero, double butted
  • Count: front 18, rear 24
  • Nipples: aluminum, ABS
  • Material: steel
  • Lacing: front radial, rear Isopulse

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

Versions

  • Color: Black only
Delivered with:
(Adapters delivered with 2019 wheels only)
  • Tyre sealant syringe
  • Mavic tyre sealant (rear wheel)
  • Tubeless rim tape
  • BR601 Titanium quick releases
  • Multifonction adjustment wrench
  • Carbon brake pads
  • UST valve and accessories
  • User guide
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.

QRM+

QRM+

Qualité de Roulements Mavic +
Our most demanding level. Those cartridge bearings are of course double sealed with C3 internal clearance, and toped with a micro-adjustability system.

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.

iTgMAX

iTgMAX

Integral Glass Transition Temperature
iTgMAX consists in an inner rim bed finished with multiple layers of seamless carbon fiber to achieve a unique one-piece rim contour without cutting any fibers. The brake track is then finished with a laser machining to ensure the best braking efficiency

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.

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