Adaptive Layup Carbon technology
Lighter carbon rim construction for faster acceleration and more efficient climbing.The Ultimate CrossCountry racing application : light and responsive.
Cross-country Wheels
CROSSMAX SL ULTIMATE 25 29
Built for Olympic athletes, the new Crossmax SL Ultimate is the most dynamic XC wheelset ever created by Mavic. Lighter, stiffer, faster—it’s all about going for gold.
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Pair 29 : 1355 grams
Front 29 : 615 grams
Rear 29 : 740 grams
Key benefits
Fly up climbs and accelerate faster
New carbon Adaptive layup technology shaves 70g per rim. 25mm wide rim weighs only 340g.
Stiff and smooth ride quality
Special carbon rim layup for superior rim stiffness and added control on descent. Double-butted, two-cross spoke pattern for enhanced vertical compliance.
Efficient power transfer
New lighter Infinity hub design paired with 24 straight-pull spokes for improved stiffness and better balanced spoke tension.
At only 1340 grams, this is the wheel that performance-obsessed cross-country racers dream of. Developed with input from top pro racers seeking a competitive advantage at World Cups and Olympics, it features an ultralight full carbon 29” rim (340g) for fast acceleration and climbing without compromising stiffness and durability.
Adaptive layup, a specific carbon layup technology enabled us to handcraft these carbon rims with less material between the spokes. The spoke holes are reinforced with strategically positioned carbon layering in a process that minimizes weight without compromising stiffness and strength. A lighter rim means faster acceleration, more efficient climbing, and a more responsive feel on the trail. The external carbon layer features our new UD² construction for a distinctive look and added durability.
Extensive field testing with our pro athletes determined that a 25mm inner width was ideal for a quick, precise ride quality and optimized tire grip on fast racetracks. For more technical trails, some preferred a 30mm width for added control, so we created two options. It’s your choice, and you can mix the two if you want. You could choose the Crossmax Ultimate 25 for the rear to boost acceleration and efficiency, and the Crossmax Ultimate 30 for the front to add confidence and control on rugged single-track.
The carbon rim is laced with 24 straight-pull double butted spokes (same spoke length throughout), two-crossed for maximum power transfer and enhanced vertical compliance. The new lighter Infinity hub design optimizes lateral stiffness, and the spoke lacing maximizes power transfer. Our Instant Drive 360 freewheel with a double ratchet system provides fast engagement and high stiffness to help you accelerate out of corners faster. The rear hub is compatible with Shimano HG9, Micro Spline and SRAM XD driver bodies.
The Crossmax SL Ultimate 25 is available with 6-bolt or center lock brake rotors in 29” only and is compatible with a 15x110 front axle and 12x148 rear. It comes with valves, spare spokes and MTB wheel covers.
Adaptive layup, a specific carbon layup technology enabled us to handcraft these carbon rims with less material between the spokes. The spoke holes are reinforced with strategically positioned carbon layering in a process that minimizes weight without compromising stiffness and strength. A lighter rim means faster acceleration, more efficient climbing, and a more responsive feel on the trail. The external carbon layer features our new UD² construction for a distinctive look and added durability.
Extensive field testing with our pro athletes determined that a 25mm inner width was ideal for a quick, precise ride quality and optimized tire grip on fast racetracks. For more technical trails, some preferred a 30mm width for added control, so we created two options. It’s your choice, and you can mix the two if you want. You could choose the Crossmax Ultimate 25 for the rear to boost acceleration and efficiency, and the Crossmax Ultimate 30 for the front to add confidence and control on rugged single-track.
The carbon rim is laced with 24 straight-pull double butted spokes (same spoke length throughout), two-crossed for maximum power transfer and enhanced vertical compliance. The new lighter Infinity hub design optimizes lateral stiffness, and the spoke lacing maximizes power transfer. Our Instant Drive 360 freewheel with a double ratchet system provides fast engagement and high stiffness to help you accelerate out of corners faster. The rear hub is compatible with Shimano HG9, Micro Spline and SRAM XD driver bodies.
The Crossmax SL Ultimate 25 is available with 6-bolt or center lock brake rotors in 29” only and is compatible with a 15x110 front axle and 12x148 rear. It comes with valves, spare spokes and MTB wheel covers.
Specifications
Rims
- Material: 100% carbon fiber with UD external layer
- Drilling: traditional
- Internal width: 25 mm
- ETRTO size 29: 622x25TSS
- Hookless profile
- Adaptive Layup Carbon technology
- UST Tubeless Ready
Spokes
- Material: steel
- Shape: straight pull, flat, double butted
- Nipples: aluminum, ABS
- Count: 24 front and rear
- Lacing: front and rear crossed 2, contactless
Hubs
- QRM Auto bearing preload technology
- Instant Drive 360 freewheel technology
- Axles: Front 15/20X110 Boost ; Rear 12X148 Boost
- Hub available with 6-bolt or Center Lock® brake rotors
- Infinity hub design
Versions
- Disc standard : 6 Bolts or Center Lock®
- Hub width : Boost only (front 110, rear 148)
- Freewheel: SRAM XD, Shimano HG9, Shimano Micro-Spline
- Diameter: 29'' only
Compatibility
- Front axle: 15x110 Boost thru axle
- Rear axle: 12x148 Boost thru axle
Compatible Adapters and freewheel bodies
- Boost Non-Boost : 15mm front hub cap (V2372501)
- Boost : Torque Caps for Center Lock hub (V2374401)
- ID360 Shimano HG9 alloy freewheel body (V3780101)
- ID360 Shimano Micro Spline alloy freewheel body (V3990101)
- ID360 Sram XD freewheel body (V3740101)
Delivered with
- UST valve and accessories
- Multifonction adjustment wrench (delivered with rear wheel)
- Wheelbag
- 2 replacement spokes with each wheel
Intended use
- ASTM CATEGORY 3 : CROSS COUNTRY
- Minimum and maximum allowed tyre width: see indication on wheel
- For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 150kg, bike included
- Maximum tyre pressure: 4.1bar/59PSI with a 28mm tyre - 2.45bar/36PSI with a 64mm tyre
- Maximum tyre pressure: 4.1bar/59PSI with a 28mm tyre - 2.45bar/36PSI with a 64mm tyre
- Recommended tire sizes: 28 to 64 mm (1.1 to 2.5)
Information on specified weight
- The weight of the wheels is announced at +/-5%, in XD/XD-R and Center Lock version, without quick release, nor valve, nor rim tape
Key technologies
Instant Drive 360 freewheel technology
The new Instant Drive 360 freewheel system is super light and efficient. A large contactless rubber seal provides low friction, while a wide array of end caps makes it super versatile.
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.
