RUD Chain offers the Rotogrip Automatic Tire Changes, high-quality traction chains with highly innovative fitting systems for safe driving on snow and icy roads. RUD’s Automatic Snow Chain System features the proven universal mounting system; the patented design of the chain wheels allows for the installation either side in your choice of 6-, 8-, 10- or 18-strand wheels. Designed for a wide range of vehicles and suspensions, the Rotogrip system is easy to install and designed to work in forward and reverse, providing excellent traction, even at low speeds (3-4 mph).