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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

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.

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 (LV3430100 - Delivered on the wheel)
  • ID360 XD-R freewheel body (LV2580100)
  • ID360 Campagnolo freewheel body (LV3440100)
  • ID360 Shimano / Sram Light freewheel body (LV3850100)

Weight

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

Hubs

  • QRM Auto bearing preload technology
  • Instant Drive 360 freewheel technology
  • Front and rear bodies: aluminum
  • Axle material: aluminum

Intended Use

  • Max. Pressure: see indication on wheel and tyre. If they differ, use the lowest of the 2
  • For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesnn't exceed 120kg, bike included
  • ASTM CATEGORY 2 : road and offroad with jumps less than 15cm
  • Recommended tyre sizes: 25 to 32 mm

Rims

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

Spokes

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

Tyre

  • 11 Storm compound technology
  • 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
  • Tyre sealant syringe
  • Mavic tyre sealant (rear wheel)
  • BR301 quick releases
  • UST valve and accessories
  • User guide
UST tubeless technology

UST tubeless technology

Traction and control
Universal Standard for Tubeless. Ready to ride tubeless system. The UST concept improves traction, control and comfort whilst reducing inertia and flats.

Maxtal aluminum alloy

Maxtal aluminum alloy

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

SUP welding technology

SUP welding technology

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.

Zicral aluminum alloy for spokes

Zicral aluminum alloy for spokes

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

Isopulse lacing design

Isopulse lacing design

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.

Instant Drive 360 freewheel technology

Instant Drive 360 freewheel technology

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 light rim technology

ISM 4D light rim technology

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

QRM Auto bearing preload technology

QRM Auto bearing preload technology

Qualité de Roulements Mavic Auto
Our latest innovation. Those cartridge bearings are of course double sealed with C3 internal clearance. Their preload is automatically adjusted to guarantee a perfect spin with no play on the long run.

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