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Superlight and durable for everyday performance

ISM4D rim weighs only 400g Patented lightweight aero spokes and 22mm deep/19mm wide rims keep inertia low and control high Solid upper rim bridge eliminates the need for rim tape, saving 60g

Laterally stiff, vertically compliant for a more dynamic ride

Fore technology keeps the rim upper bridge solid to make the rim stiffer New Infinity hub plaform: stiff axle, durable bearings and new hub design guarantees wheel stability ID360 freewheel technology for improved power transfer

Improved UST Road delivers more speed, comfort and control in an easy to use tubeless system

No tubes means less friction, better efficiency and grip, a reduced risk of punctures New rim bed shape makes it easier to mount and change tires Fore drilling technology doesn't require the use of rim tape
Ksyrium has always represented the best of aluminum wheel technology. Following in the footsteps of the venerable Ksyrium Elite and Ksyrium Pro, the all-new Ksyrium SL Disc lives up to that standard. If you're looking for one aluminum wheelset for weekend races and training mileage, wherever the road takes you, this is your best choice.

This new wheel is superlight (120g lighter than the former Ksyrium Elite UST Disc) and durable as ever thanks to our patented ISM4D technology. This manufacturing process removes all excess material between each spoke hole while keeping the rim wall thick enough where spoke tension and stress is the highest. Those rims are made in France, in our aluminum rim factory.
The double-butted spokes contribute to the weight reduction while making the wheel more responsive. These spokes also have a patented elliptical shape that can save 5 watts for added efficiency.

Stiffness is optimized using Fore technology. The upper bridge is not drilled, so it remains strong and rigid and doesn’t require the use of a rim tape (another 30g saved per wheel). The rim bed’s new shape makes it easier than ever to mount and remove tires, and our UST Tubeless technology improves rolling resistance and grip while reducing the risk of punctures. Our new Infinity hub platform optimizes stiffness and power transfer with highly controlled spoke tension, while an Instant Drive 360 freewheel coupled with our automatic bearing preload adjustment (QRM Auto) delivers fast engagement and durability. Engineered specifically for disc brakes, the wheels are compatible with a 12x100 axle up front, and 12x142 rear and can convert to Quick Release with supplied adapters. For Center Lock disc rotors only. It's available for Shimano or Sram XD-Road cassettes and can convert to Campagnolo with an optional driver body.

Rims

  • Material: Maxtal
  • Height: 22 mm
  • Disc brake specific profile
  • Weight reduction: ISM 4D
  • Tire: UST Tubeless and tubetype
  • Internal width: 19 mm
  • ETRTO size: 622x19TC Road
  • Fore
  • UST
  • SUP

Spokes

  • Material: steel
  • Shape: straight pull, elliptical aero, double butted (patented)
  • Nipples: Fore integrated aluminum
  • Count: 24 front and rear
  • Lacing: front and rear crossed 2, contactless

Hubs

  • Front and rear bodies: aluminum
  • Axle material: aluminum
  • Front: Quick release and 12x100 through axle compatible
  • Rear: Quick Release, 12x142 and 12x135 compatible
  • Infinity Hub
  • Instant Drive 360
  • QRM Auto

Versions

  • Disc standard: Center Lock (R) only
  • Freewheel: Shimano/Sram or XD-Road

Compatibility

  • Freewheel: Shimano/Sram, convertible to Campagnolo and XD-R with optional driver bodies
  • Rear axle: 12mm thru axle, convertible to Quick Release with optional adapters
  • Front axle: 12x100 thru axle, easily convertible to quick release with optional adapters. Not compatible with 15mm through axles

Compatible Adapters and freewheel bodies

  • 12 to 9mm front adapter for quick release (LV2680300)
  • 12 to 9mm rear adapter for quick release ([LV2510800]
  • ID360 Shimano / Sram Light freewheel body (LV3850100)
  • ID360 Campagnolo freewheel body (LV3440100)
  • ID360 XD-R freewheel body (LV2580100)
  • ID360 Shimano / Sram freewheel body ([LV3430100] - Delivered on the wheel)
  • ID360 N3W freewheel body (V4270101)

Intended use

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

Delivered with

  • UST valve and accessories
  • User guide
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
Maxtal

Maxtal

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

Fore tapeless tubeless technology

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 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.
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.
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.
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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Adaptateur
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