The Black Inc. Twenty Clincher Disc Wheelset is the perfect choice for riders who want to make the most of every climb. These lightweight carbon wheels are ready to fly up any mountain and remain fast and stable on the descent. Coming in at just 1,240 grams, these wheels are an excellent addition to a lightweight setup. This version comes with a revised hub and low-friction CeramicSpeed bearings with more efficient engagement in the freehub than ever. The rim is constructed with a blend of ultra-high strength carbon fiber for all the stiffness you need as you charge up a climb. With the Black Inc. Twenty Clincher Disc Wheelset, you can expect rapid acceleration and ultimate performance on every climb.