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. Cross-country racing puts a multitude of demands on a wheelset. You want one that helps you climb with speed and efficiency, descend with greater control, and track through the rough stuff with smooth confidence. The Crossmax SL S is a lightweight alloy wheel that does it all. Engineered with a specific rim profile that combines a 25mm internal width and our patented ISM4D technology, this wheelset can boost the performance of your bike with a price that\\\'s accessible compared to carbon wheel options. The ISM4D process machines the rim in the areas with less stress to reduce weight without compromising strength. The rim also features our Black Shield technology, which protects against scratches and dents so you can charge hard through rock gardens and rough singletrack. Key Features ISM4D rim machining reduces weight to close the gap to carbon rims without compromising strength. Lighter weight rims result in super low inertia and instant acceleration. 25mm wide hookless rim profile optimized for lower tire pressures, resulting in improved grip in all conditions. Optimized for modern XC tubeless tires from 2.1 to 2.30\\\". Black Shield treatment protects rims against impacts and scratches. Fore technology fully sealed rim with no rim tape makes it easy to mount and change tubeless tires. Leaving the upper rim bridge intact boosts the stiffness and durability of the rim.