The D-X Disc Wheel is a brand new front wheel designed for triathlon bicycles, with a 25" diameter and made from carbon fiber material. It features a disc wheel design and is compatible with 11-speed bicycles. This wheel is equipped with a rim brake system, making it suitable for high-performance cycling activities. Ideal for triathletes looking for a reliable and aerodynamic wheel to enhance their speed and performance during races. Any further questions, feel free to ask, never used, brand new without original packaging.