Mammoth Square Motorcycle Chain & Lock 10 mm 1.8 M Length The Mammoth square motorcycle chain & lock is a no nonsense heavy duty motorcycle security solution for riders looking to keep their pride and joy secure and safe. The chain is made with 10 mm hardened steel square links, meaning you can rest assured that your bike is in safe hands while unattended. A protective fabric sleeve ensures that your bike paintwork is safe from scratches. Available in a range of lengths. The chain received a MCN 5 Star value rating! Motorcycle Chain & Lock Features: 10 mm square link hardened steel. Length 1.8 m. Hardened steel lock body. Double bearing lock mechanism. 11 m hardened steel closed U-shackle. Bright green acts as visual deterrent. Sleeve protects wheels and paintwork. MCN Magazine 5 Star Value Rating!