"What Our Gearhead® Experts Are Saying: ""I’ve been running the Cosmic SL 40s for fast training rides and crits—they strike a great balance between lightweight climbing performance and aero gains on the flats. They feel planted in corners and accelerate with punch, especially when paired with a quality tubeless tire setup.""When we want one road wheelset that does it all—climb, corner, sprint, and descend—we trust the Mavic Cosmic SL 40. It brings the aerodynamic advantage we want for fast group rides and race day, while staying light enough to fly uphill and stay lively all ride long. Whether we’re hammering breakaways or cruising solo, these wheels keep us rolling fast with confidence-inspiring control. The 40mm deep carbon rim delivers meaningful aero savings without feeling twitchy in crosswinds, making it ideal for everyday use. A hookless, 21mm internal width rim bed is optimized for 25–32mm tubeless road tires, giving us smoother rolling and better cornering grip. Paired with Mavic’s Infinity hubs and QRM Auto bearings, the Cosmic SL 40 offers efficient power transfer and long-term reliability in a lightweight, race-ready package."
Price: $1750.00 from Backcountry
| Merchant | Price | |
|---|---|---|
| $1750.00 | Visit Store |
The Mavic Cosmic S 42 Wheelset is a lightweight carbon fiber wheelset built for our fastest training rides and race-day efforts. The wind-tunnel-tested construction keeps us flying through the wind with optimized aerodynamics, using a 42mm rim height...
With quick acceleration and a lightweight, efficient feel on the climbs, this newcomer in the Cosmic family takes over the venerable Ksyrium Pro Carbon UST. Carbon rims and disc-brake control gives you an added advantage in the mountains and hills. It...
"What Our Gearhead® Experts Are Saying: ""These wheels are the definition of balance—fast enough for race day but light enough for long climbs. The 45mm profile hits that aerodynamic sweet spot, and the Infinity hubs make power transfer feel instant....