Child bicycle lock

Color classification: ring lock 0.4 m - black [small portable thick 11.5mm four-digit password]
Ring lock 0.5 m - black [increase bold type thick 17mm five-digit password]
Ring lock 0.4 m - blue [small one hand control coarse 11.5mm four-digit password]
Ring lock 0.4 m - red [small one hand control rough 11.5mm four-digit password]
Ring lock 0.4 m - green [small one hand control coarse 11.5mm four-digit password]
Ring lock 0.4 m - yellow [small one hand control coarse 11.5mm four-digit password]
Type of lock: cable lock, password lock