Speedsix 450 Ceramic wheelset black - Shimano

The Speedsix 450 Ceramic wheelset is designed to offer a perfect balance between aerodynamics and climbing, making these wheels the ultimate choice for cyclists seeking a competitive edge.With a 45 mm profile, an internal width of 25 mm, and an external width of 34 mm, the Speedsix 450 Ceramic provides stability and speed on any road. Optimised for road tyres of 700x28 – 700x30, these wheels offer the best combination of grip and comfort with the agility and aerodynamics to conquer climbs or fly on descents.Speedsix F-Series Ratchet System CERAMIC Hub: Unprecedented GlideEquipped with the revolutionary F-Series Ratchet System Ceramic hub and weighing from 1395 g, the Speedsix 450 Ceramic carbon wheels are designed for those who do not want to compromise on lightness or stiffness. The F-Series Ratchet System Ceramic hub is the heart of efficiency, transmitting all the force directly onto the drivetrain without losing an ounce of power with each pedal stroke.