The abus keyed 1500 chain lock gives you the ideal security for low crime areas the 1500 chain is comes in two lengths 60cm and 110cm the larger the length the easier it is to tie up your bike or multiple if needed lightweight and compact the abus lock is easy to carry in your bag or even just in your pocket alternatively you can wrap the chain around your around your seat post for convenient transport the 4mm chain with fabric sleeve prevents any damage to your frame plus the chain is ma