Mavic Deemax 21 27.5´´ 6B Disc MTB rear wheel

When you’re entering the pinball section on the Fort William World Cup downhill track, or you’re flying blind on the most demanding enduro terrain at an Enduro World Series race, there’s no time to be thinking about your wheels. Deemax is designed to absorb big hits and perform flawlessly on the roughest terrain, giving pros and weekend warriors alike the confidence to push their limits.

Developed with input from our top pro athletes, this is one of the most durable wheelsets ever produced for hardcore gravity riders. It has been put to the test over and over again and recently delivered DH pros Laurie Greenland and Marine Cabirou to their first World Cup wins on the deadly Black Snake Track in Val di Sole, Italy. The alloy rims feature a 28mm internal width with a triangular shape that helps absorb huge any impacts from rocks to hard landings and big compressions. Our Black Shied treatment gives them a distinctive finish and protects the rims against impacts and scratches. We chose a classical J-bend spoke construction using 28 steel spokes (same spoke length throughout), double-butted and bladed for the perfect balance of vertical compliance and strength to handle the abuses of aggressive gravity riding.

The hubs benefit from our strongest bearings and the rear hub features the ultra-reliable ID360 double ratchet system for fast engagement to help you accelerate out of the corners. It’s set up for either Boost or DH hub spacing frames and has 6-bolt disc mounts. It’s available for Shimano HG9, XD and Micro Spline freewheel bodies in 27.5” and 29”. The wheels include UST tubeless valves, spare spokes and accessories.


Features:

Hammer through rough terrain with confidence:
- Wider 28mm (internal) rim is engineered to absorb heavy impacts. Developed for our pro riders to conquer the harshest DH and enduro racetracks.

Proven by pros:
- Developed, tested and proven to meet the standards of World Cup DH racers and ready for hardcore bike park shredders or big mountain enduro riders.

Easy to maintain:
- Fast and easy to repair thanks to J-bend spokes. Two replacement spokes delivered with every wheelset.


Specifications:

Compatibility:
- DH spacing axles: 12X150 , 12x157 , 12X157-7speed
- Boost Axles : 15X110 ; 12X148
- Freewheel: Shimano HG9, XD or Micro Spline
- Front axle: 15x110 Boost, convertible to 20x110 Boost thru axle with adapters

Compatible Adapters and freewheel bodies:
- Boost 20 to 15mm front adapter (L12982800
- Boost : 20x110 boost front hub cap (LV2680400 - Delivered with the wheel)
- ID360 Shimano HG9 alloy freewheel body (LV3780100)

Hubs:
- Axles: Front 15X110 Boost ; Rear 12X148 Boost
- Hub available with 6-bolt brake rotors
- DH spacing axles: 12X150 , 12x157 , 12X157-7speed available
- QRM Auto bearing preload technology
- Instant Drive 360 freewheel technology

Intended Use:
- For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn´t exceed 150kg, bike included
- Recommended tyre sizes: 60mm to 76mm (2.35´´ to 3.0´´)
- ASTM CATEGORY 5 : GRAVITY RIDING FOCUSED ON THE DESCENT

Rims:
- Asymmetrical rim design
- Black Shield treatment (protects your rim against impacts and scratches)
- ETRTO size 29´´: 622x28TC
- ETRTO size 27.5´´: 584x28TC
- Internal width: 28 mm
- UST Tubeless Ready
- Drilling: traditional
- SUP welding technology
- Material: S6000 Aluminum
- Material: Maxtal

Spokes:
- Count: 28 front and rear
- Nipples: steel, ABS
- Material: steel
- Lacing: front and rear crossed 3

Versions:
- Diameter: 27,5´´ and 29´´
- Freewheel: SRAM XD, Shimano HG9, Shimano Micro-Spline
- Hub width : Boost (front 15/20x110, rear 148) or Non-Boost (front 15/20x100, rear 135/142) or DH rear (150/157) or DH7S rear (150/157-7S)
- Disc standard : 6 Bolts only

Weight:
- Rear 650b/27,5´´ without tyre: 1055 grams


Technology:

Black Shield treatment (protects your rim against impacts and scratches):
- New MTB rim treatment. 2x superior lifetime against rock impacts and scratches

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.

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:
- 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:
- 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.

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