Two Link Truck Tire Chain. 2 link tire chains provides for a more consistent ride by having more chain on the face of the tire. Therefore, helping to reduce the bumpy ride from being on chain � off chain. Two Link is defined as having a cross chain every 2 side chain links. Normal Chains are 4 link spacing. 4 Link is defined as a cross chain every 4rth side chain link. 15/64 thick. Recommended for over the road, chain law, semi trucks. For plowing or extended use, the Heavy duty truck tire chains below are recommended when available in your size. For easier installation of twisted linkTruck Tire Chains see our Sno-Chain Ramps. Please note: Since these are two link, there no cams on the side chain since the cams are replaced with a cross chain. Optional rubber or spring tensioners are recommended. If your tires are deep lug, mud, load range E, or AT tires, please contact us prior to purchasing.