Oxford Big Boss Motorcycle Chain & Lock The Oxford Big Boss Motorcycle Chain & Lock is perfect for riders looking for serious kit to keep their pride and joy safe! The double safety net of a motorcycle security chain and motorcycle padlock have survived Oxfords 5 minute attack test which include attacks by saws, sledge hammers, drills, bolt coppers and even being frozen! Available in a range of lengths to suit your space requirements. https://www.youtube.com/watch?v=GPLuBa5d21w&ab_channel=OxfordProductsLtd Motorcycle Chain & Lock Features: CHAIN 12 mm square chain links made from hardened Cro-Mo steel, reinforced with Titanium alloy. Long links reduce weight and increase portability. Zinc coated to prevent corrosion. Can be used with all Oxford motorcycle ground anchors. Double security by securing onto disc with chain. PADLOCK 16 mm pin size. Hardened steel shackles prevents bolt cropping. Double locking shackle mechanism. Anti-pick & anti-drill lock cylinder. Double security by securing onto disc with chain. Secured by Design*. *This product has met the high demands of the Police Preferred Specification and has been accredited Secured by Design. SBD is a police initiative which seeks to achieve sustainable reductions in property theft. By encouraging good design and practice, SBD aims to reduce the demand on police forces and help us all live in a safer society.