Concerned about bike theft? The first bicycle lock developed specifically to be worn around the waist, the Hiplok's integrated and fully adjustable design lets you tighten the lock around your waist, without actually locking the device, offering great portability, comfort, and versatility. This lock is constructed with high-strength materials, a hardened steel chain at its core, and has a Solid Secure accreditation. Features: High Security 8mm premium hardened steel chain and 12mm premium hardened steel shackle 85cm locking circumference fully adjustable to fit waist size 28-44" Wearable, adjustable fastening, never locked when worn Sold Secure SILVER rated 3x coded replaceable keys included Specifications: Waist Size/Fit: 28 - 44" Locking Length: 85cm Chain Thickness: 12mm Weight: 1.95kg