Mavic Crossmax SL S 29 Boost Wheelset 2025

Mavic Crossmax SL S is designed for all-around cross-country performance, including faster climbing and descending, this premium 29” alloy wheelset delivers stiffness, durability and the easiest tubeless system available today system

Its 25 mm inner width alloy rim includes a lot of patended technologied like FORE technology that features a fully sealed upper rim bridge that eliminates the need for rim tape, ISM machining removes material from the rims in strategic areas to minimize weight without compromising strength and Black Shield treatment protects the rims against impacts and scratches.

Mavic opted for a total of 24 straight-pull, flat, double butted, steel spokes that include Fore technology and laced per 2 with no contact

Crossmax SL S 29 is built around the new Infinity hub that includes ID360 double ratchet system for quick engagement and acceleration.  You can purchase the wheel in either 6 bolts or either Centerlock disc mount and in one of the 3 free hub compatibilty Shimano HG9, XD or Micro Spline. It comes in Boost 12x148 mm spacing

Rim

• Material: Maxtal
• Material: S6000 Aluminum
• Weight reduction : ISM
• Tire: UST Tubeless and tubetype
• Internal width: 25 mm
• Black Shield treatment (protects your rim against impacts and scratches)
• ETRTO size 29": 622x25TSS
• Asymmetrical hookless rim design
• Fore
• SUP
• Rim Custom Decal kit available separately

Spokes

• Material: steel
• Shape: straight pull, flat, double butted
• Nipples : Fore integrated aluminum
• Count: 24
• Lacing: crossed 2, contactless

Hub

• Hub available with 6-bolt or center lock (R) brake rotors
• Axle front : 15x110 mm Boost
• Axle rear : 12X148 Boost
• 24 teeth ratchet
• Instant Drive 360
• QRM Auto
• Freehub options
    - Standard Aluminum (Shimano-Sunrace 9-10-11S / Sram 9-10S, NX 11S and NX Eagle 12S)
    - XD (Sram 11S and 12S / E13 10S and 11S)
    - Microspline ( Shimano 12S)

Use : 

• ASTM CATEGORY 3 : CROSS COUNTRY
• Recommended tyre sizes : 50mm to 76mm (2.00" to 3.0")
• For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 150kg, Bike included

Technologies

• Fore (fully sealed upper rim bridge that eliminates the need for rim tape)
• QRM Auto (cartridge bearing with double sealed with C3 internal clearance)
• ID360 (double ratchet system for quick engagement and acceleration)
• ISM (rim machining removes material from the rims in strategic areas to minimize weight without compromising strength)
• Black Shield (protects the rims against impacts and scratches)
• SUP (Stronger and smoother joint)

Warranty

• 2 years
• Can be extended to 3 years by registring in the Mavic Care Program (max 2 month after the purchase)

Comes with

• UST valves and accessories
• 2 replacement spokes with each wheel
• Fore adjustment wrench

Mavic weight : 1595 gr