CycleOps precision 3.25 inch PVC rollers allow you to practice and fine-tune your spin balance and form indoors any time of the year. The solid steel frame made in the USA with an extra wide stance and 6 floor contact points allow you to get on and off your bike easily. The roller drums made of precision lathed-PVC make for a smooth and quiet ride while creating a slip-free ride. A bi-folding design makes it easy for transporting and storing. The roller includes sealed bearings for longevity and a lifetime warranty against manufacturing defect. 390mm width. Black.