Ultralight downhill wheelset

Compliant and robust 28mm rim with ISM4D machining
Incredibly light components, ITS-4 alloy freewheel and ultra-light spokes

Ultimate responsiveness and improved vertical compliance

Less inertia: better feel
Ultra-light double butted spokes
Instant engagement ITS-4 freewheel
Developed with and for DH world cup racers
Deemax offers increased vertical compliance and is 12x150/157

Compatibility

  • Front axle: 20mm, convertible to 15mm thru axle with optional adapters
  • Freewheel: Shimano/Sram, convertible to XD with optional driver body

Weight

  • Pair 650b/27,5"" without tyre: 1950 grams
  • Front 650b/27,5"" without tyre: 915 grams
  • Rear 650b/27,5"" without tyre: 1035 grams

Hubs

  • Front : adjustable sealed cartridge bearings (QRM+), Rear : auto adjust sealed cartridge bearings (QRM Auto)
  • Freewheel: ITS-4 alloy
  • Front and rear bodies: aluminum
  • Axle material: aluminum

Intended Use

  • Recommended tyre sizes: 46mm to 64mm (1.8"" to 2.5"")
  • ASTM CATEGORY 5 : GRAVITY RIDING FOCUSED ON THE DESCENT

Rims

  • Internal width: 28 mm
  • ETRTO size 27.5"": 584x28TSS
  • Hookless profile
  • Weight reduction: ISM 4D
  • Disc brake specific profile
  • Valve hole diameter: 6.5 mm
  • Tyre: UST Tubeless and tubetype
  • Drilling: Fore
  • Joint: SUP
  • Material: Maxtal

Spokes

  • Count: 28 front and rear
  • Material: steel
  • Shape: straight pull, bladed
  • Nipples: Fore integrated aluminum
  • Lacing: front and rear crossed 3

Versions

  • Disc standard : 6 Bolts only
  • Color: Black only
Delivered with
  • 12x157mm adapters
  • Multifonction adjustment wrench
  • Front 20 mm adapters
  • UST valve and accessories
  • User guide
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.

ITS-4

ITS-4

Instant energy transmission
Instant Transfer System 4: Using 4 pawls working 2 by 2, the system provides a more dynamic ride, thanks to a very fast engagement. Its versatility makes it compatible with all kinds of frame retention system.

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.

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

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.

Maxtal

Maxtal

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

SRS

SRS

Spoke Retention System
The hub shell slots special machining makes sure that the spoke head is imprisoned and will not pop out of the hub. The spoke still can travel in the slot, in order to let the wheel absorb some of the terrain obstacles.

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