The all-new Shimano Ultegra C50 Tubeless Carbon Rear Wheel is the ultimate all-rounder, perfect for every rider. Shimano spent countless hours in the wind tunnel and out on the road optimising the new Ultegra C50 wheels to balance aerodynamics, rigidity and weight. The result is the most sought after carbon road wheel currently on the market, adept at climbing, high-speed breakaways and chasing the bunch. This has been achieved through increased wheel rigidity and the unique design of the C50 wheels which has resulted in the weight balanced towards the extremities. While Shimano's all-new D2 wheel technology combines with the deep, 50mm profile of the C50 wheels to provide increased lateral stiffness and vertical compliance alongside improved aerodynamic performance. The result is a compliant and aerodynamic wheel that offers significantly improved control and comfort on all road surfaces. The C50 Rear Wheel benefits from a redesigned direct engagement system that increases the contact area of the ratchets for improved drivetrain efficiency and reduces the energy required to accelerate - as Shimano put it themselves, "one pedal stroke, and you're off"! If you've been looking for the perfect excuse to upgrade your carbon wheels, or to save some precious Watts on those longer rides, then the Shimano Ultegra C50 Tubeless Carbon Rear Wheel will encourage you to just keep riding!

The C50 wheels feature a deep, 50mm dish combined with Shimano's all-new D2 rim design to offer increased stability at all yaw angles. While simultaneously reducing drag - you can expect an average saving of 5W over comparative carbon wheel models.

The E-Thru Axle reduces weight and optimises rigidity for increased stiffness resulting in sharp cornering and smooth rolling at all speeds.

The C50 has a redesigned direct engagement hub that increases drivetrain rigidity and results in a smooth and more efficient transfer of energy. The result is instant engagement meaning less wasted energy when starting your ride or accelerating away from the bunch!

• Model: C50 Rear Wheel
• Series: Ultegra R8170
• Material: Composite
• Spokes: Straight Pull
• Brakes: Disc Brake, Centre Lock
• Axle: Thru Axle, 12 x 142mm
• Rim Height: 50mm
• Internal Rim Width: 21mm
• External Rim Width: 28mm
• Spokes: 24, Bladed and Butted
• Tubeless Ready: Yes, Requires Rim Tape
• Weight: 872g