Hiplok XL - Diamond Rated Loop End Chain Hiplok maximum security heavy-duty chain features a loop end to give extended locking length when used with a D-lock, making it suitable for multiple bicycle lock up. Diamond Rated Security Built from premium hardened steel to withstand the toughest of attacks, the XL Chain has a Sold Secure Diamond rating. Suitable for Bicycles and E-bikes Suitable for locking bicycles and E-bikes when paired with a D Lock. Suitable for Motorcycles Suitable for locking motorcycles, the XL chain has a Sold Secure Gold Motorcycle rating. Extended Locking Length Over 3ft locking length, allows extended locking capability.