The smartest external chain for passenger cars. Features Suitable for every kind of passenger car - 0 mm clearance behind the wheel. Fitted on the original nut/bolt of the wheel (not the anti-theft one). Innovative ratchet system which acts as force multiplier and permits effortless fitting. Tensioning springs decrease dynamic elevation and enable perfect fitting on several tyre sizes. Tread chain with alternation of special injection-moulded plastic plates with hard metal studs and special alloyed steel chain. Regulation elements decrease dynamic elevation and enable perfect fitting on several tyre sizes. Welded bars provide better grip and performance on ice and snow. Foldable arms for easy storage in a smart bag. No contact with alloy rims. Innovative design in line with the latest car models. Colour-coded parts for easy mounting. Not for off-road use. For use on sealed roads only Homologations/certifications/conformity: Ö-Norm 5117, UNI 11313 / CUNA, TÜV. To ensure compatibility with your vehicle or for any questions, please get in touch.