The Cormia 5-Spoke Tubular Rear Track Wheels was developed for competition and pure speed. With an extra spoke compared to the previous model, this wheel is more rigid than ever, maximizing your efficiency in the form of power transfer. The wheel is made with a 3K Carbon weave for lightweight and stiff performance. Corima recommends using 25mm tires on this wheel for maximum comfort. It comes with a protective bag, valve extenders, and track bolts. The Corima 5-Spoke Tubular Rear Track Wheel is a great choice for riders who want to maximize their speed.