High quality chain lock designed for short or medium term bike parking. Keyless locking and dust cap to prevent dirt from entering the locking mechanism. The chain is made of hardened steel and is housed in a durable polyester case. The length of the chain is 90 cm, while its diameter is 5 mm. Safety Security Level 7 / 15 Hardened steel chain Comfort Durable polyester cover Keyless locking Dust cap Construction Chain length 90 cm Chain diameter 5 mm Hardened steel