Mavic Crossmax SL Ultimate 30 29 Wheelset

The Mavic Crossmax SL Ultimate 30 29 Wheelset is a top-tier cross-country carbon wheelset designed for racers and aggressive trail riders. With wider, stiff, and lightweight rims, it offers enhanced control, explosive acceleration, and effortless tubeless setup.

Specs at a Glance

• Weight (Pair): Approximately 1,395 g (Front: ~635 g; Rear: ~760 g) :contentReference[oaicite:1]{index=1}
• Rim Construction: Full-carbon, asymmetrical and hookless design; 25 mm depth; 30 mm internal width; adaptive layup for optimized strength-to-weight :contentReference[oaicite:2]{index=2}
• Tubeless System: UST-ready with included valve kit and pre-installed tubeless rim tape; supports tubetype and UST setups :contentReference[oaicite:3]{index=3}
• Hubs & Engagement: Aluminum Infinity hubs with QRM Auto bearing preload and Instant Drive 360 fast-engagement freehub; Boost axle spacing (15×110 mm front, 12×148 mm rear); compatible with SRAM XD, Shimano HG, and Micro-Spline :contentReference[oaicite:4]{index=4}
• Spokes & Lacing: 24 steel straight-pull spokes per wheel, double-butted and laced in 2-cross pattern for consistent tension and power transfer :contentReference[oaicite:5]{index=5}
• Brake Options: Available in both 6-bolt and CenterLock disc configurations :contentReference[oaicite:6]{index=6}
• Tire Compatibility & Pressure: Recommended tire width from ~52 mm and up; tire pressure range approximately 28–34 psi; system weight limit up to ~150 kg (~330 lbs) :contentReference[oaicite:7]{index=7}

Design & Performance Highlights

1. Featherweight Performance: At just under 1.4 kg, these wheels provide rapid acceleration and agile climbing—race-ready for XC terrain :contentReference[oaicite:8]{index=8}
2. Adaptive Layup Durability: Carbon-reinforced spoke beds reduce weight without sacrificing stiffness or durability; outstanding vertical compliance for rough trails :contentReference[oaicite:9]{index=9}
3. Fast & Reliable Tubeless Setup: Hookless rim design, pre-installed tape, and UST-ready components streamline installation and improve air retention :contentReference[oaicite:10]{index=10}
4. Snappy Engagement & Serviceability: Instant Drive 360 ensures near-instant freehub engagement; QRM Auto bearing system provides long-term low-maintenance performance :contentReference[oaicite:11]{index=11}
5. Controls & Stability: Wider 30 mm internal rim width enhances tire footprint and grip on technical terrain, boosting control without compromise :contentReference[oaicite:12]{index=12}

Final Take

The Mavic Crossmax SL Ultimate 30 29 Wheelset represents the pinnacle of XC wheel engineering—light, responsive, and remarkably capable on modern, technical terrain. With race-proven hubs, wider rims, and integrated tubeless readiness, it delivers the speed and control elite riders demand.