Maximum Security A double deadlock and anti-rotation locking combine with a 14mm premium hardened steel shackle to withstand the toughest of attacks. Independently awarded maximum gold level security rating by the experts at Sold Secure. Designed for Riding One of the most lightweight Sold Secure Gold-rated bike locks and with a patented clip + ride system, the dx clips on to belts and bag straps making it easy to carry on your ride. High-Quality Materials and Lifetime Warranty Worry less, ride more. Hiplok locks are engineered using the highest quality materials built to stand the test of time. Plus, Hiplok offer you total peace of mind with a lifetime warranty.