Lock-chain combination The Lock-chain combination is an excellent choice when it comes to securing your bike. Its flexibility means the lock-chain combination is very convenient and offer many ways of locking bikes to fixed objects. A bike that is secured in this way cannot simply be picked up and carried away – which is a real security advantage. Technology: 4 mm chain with fabric sleeve to prevent damage to the bicycle's paintwork The chain is made of special steel 3-digit code Art. no.: 57893 Level: 2 Article group: 04 Carrier: without bracket Locking type: combination Weight: 136 g design color: red,coral,black,yellow diameter: 4 mm length: 60 cm