Masterlock integrated combination 15m chain lockthis chain lock is perfect for securing your bike for short periods of time in medium risk areas the locking barrel is integrated into the chain for quick locking and unlocking as it is a chain lock it will be more portable than a u lock you dont need to carry a key with you thanks to the 4 digit combination lock features 150m steel chain integrated combination lock 4 digits resettable combination coloured vinyl cover prevents scratchingbuy