The Black Inc. Forty Five Clincher Disc Wheelset is your one wheelset for all challenges. It provides the perfect blend of low weight and aerodynamics to conquer anything from high mountain challenges to flat road races and long training days. A wider rim profile is perfect for aerodynamic speed, but the set still comes in at less than 1,500 grams, making it a worthy option for climbing as well. It can run 25mm tires up to 28mm for riders who prefer more comfort on longer rides. CeramicSpeed bearings and a an aggressive lightweight freehub work to bring you the best speed out of every pedal stroke. The Black Inc. Forty Five Clincher Disc Wheels are the only wheels you need for all your road endeavors.