The Black Inc. Twenty Clincher Disc Wheelset is a high-level climbing wheelset that is perfect for road and gravel riders alike. These carbon wheels are strong and durable enough to handle the roughest terrain you can throw at it while remaining light and fast enough for serious road riding. The wheel features a low rotating mass which offers immediate acceleration up a climb and has a broader rim profile for stability and handling on the descent. The new rim shape is CDF-certified for improved stability and wider tires. This improved version of the wheel also leads to more efficient braking in any weather conditions. The Black Inc. Thirty Clincher Wheelset is a perfect choice for the rider with a diverse range of goals who wants performance in all areas.