The abus 8210 iven chain 110cm lock has been approved with a sold secure silver rating and will safeguard your bike when you have to leave it in public places where security is in doubt made using a strong 8mm square chain and then covered in a new highly flexible mesh sleeve this chain bike lock not only protects your bike from would be thieves but it will also prevent the chain from damaging the frame so you39re paint work is protected too masters of bike security abus has bee