Giant Surelock Protector 1 is a Gold Sold Secure approved robust lock featuring a 14mm ultra hardened steel bar with X4p quattro bolt locking mechanism and a quick release mounting bracket for a range of bicycle tube sizes.- Gold Sold Secure approved- 14mm ultra hardened steel bar- Lock: X4p quattro bolt locking mechanism- Zinc caps- M-Key cylinder- Integrated dust cover- 2 standard keys and 1 LED key- All tube QR mounting bracket 24-40mm tubes- Additional 10mm x 120cm cable