Best price / quality ratio to access the mythical Cosmic carbon wheels and boost your bike. Welcome to a new dimension in cycling. The Cosmic S 42 Disc wheel, with its ultralight all-carbon rim, delivers instant acceleration and improved control. Thanks to a 21mm internal width, this wheel maximizes tire volume, increasing confidence, improving efficiency and optimizing cornering performance. A profile height of 42mm and wind-tunnel-tested flat spokes maximize the Cosmic S 42 Disc’s aerodynamics and give it lateral stability at high speeds. Cyclists looking for versatility on undulating or mountain roads will find what they're looking for. Low weight guarantees excellent capabilities on the toughest slopes, so you can tackle the Alpe d'Huez like it’s a hill. Mavic’s UST Tubeless Ready technology simplifies tire installation, offering improved comfort and efficiency. High-quality spokes, durable bearings and our ID360 freewheel technology guarantee exceptional strength and longevity. Hand-assembled in Europe, the Cosmic S 42 Disc is the result of Mavic’s extensive experience in manufacturing high-quality wheels. The Cosmic S 42 Disc’s exceptional dynamics and remarkable fluidity provide versatility for cyclists seeking optimal performance in all conditions. With its reliability and ease of maintenance, it's a long-lasting investment that’s ready for any challenge. Don't look too long for the ideal wheel: The Cosmic S 42 Disc is here to bring the level of performance to your ride. Main features Dynamic and easy to ride Lightweight full carbon rim brings low inertia for instant acceleration and improved control 21mm internal width maximises tyre volume for improved confidence, efficiency and cornering grip Disc specific wheel design perfectly handles the disc brake constraints All terrain versatility 42mm rim profile and flat spokes are wind tunnel proven for low wind resistance and high lateral stability at high speed Low overal weight means excellent climbing abilities Mavic UST tubeless ready improves comfort, efficiency and tyre installation Reliable and easy to service High quality hubs thanks to long lasting bearings and the proven reliability of our ID360 freewheel technology Standard J-Bent spokes for easy service Hand-assembled in Europe