Giant Surelock Protector 1 LS is a Gold Sold Secure approved robustlock featuring a 14mm ultra hardened steel bar with additional length and a quick release mounting bracket for a range of bicycle tube sizes.
X4P Quattro bolt locking mechanism provides unequaled strength by locking cross bar to shackle
Massive 14mm (0.55″) ultra-hardened steel shackle provides maximum cut-resistance
Zinc caps offer more protection against hitting attacks
M-Key cylinder is more reliable and user-friendly than ever before, prevents key from turning before being fully inserted into the cylinder
All-tube QR mounting bracket included-fits 24-40mm tubes
Micro-light key projects a highly focused white light beam