DT Swiss ERC 1100 Di Cut 45 Wheel Endurance-Specific Wheels The wheels you use on your bike play a significant role in your performance and ride quality. If you're riding in tougher conditions, you'll want wheels that won't let you down. The DT Swiss ERC 1100 Di Cut 45 Wheels are endurance-specific wheels that enable you to ride fast and stable. With AERO+ optimized rim profiles, wider and more comfortable tires are better supported. Ultra-low-friction SINC Ceramic bearings inside Di Cut Aero hubs and the latest generation of DT Swiss aero spokes are technical highlights inside the wheels. The proven Ratchet EXP freehub system with its 36T Ratchets transfers each pedal stroke precisely into forward propulsion and speed from the start right to the finish of your ride. Features Aero-optimized wheels with carbon rims that support your ride on different road profiles Di Cut aero 180 hub with SINC ceramic bearings Proven Ratchet EXP freehub system with a 36T ratchet that transfers each pedal stroke into forward propulsion Works well with wider tires Tubeless-ready for a smoother ride, better traction, and fewer flats SPECIFICATIONSWheel Size700c Material Carbon Fiber Rims Outer Width28. 5mm Inner Width22mm Rim Height45mm Spoke Drilling24HValve Type Presta Tubeless Yes Tire Type Clincher Brake Compatibility Disc (Centerlock)Engagement Degree36TFront Axle12x100mm Rear Axle12x142mm Intended Use Endurance Road, All-Road Approximate Weight663g (F), 786g (R) | Dt Swiss | Erc 1100 Dicut 45 Wheel Rear 12X142Mm Center Lock Hg11/xdr Freehub