1. Material: Uses the best metal material and the most secure locking mechanisms. 2. Color: Various kinds of fashion /color designs can be selected, also customer's design and logos are welcome. 3. User-friendly, setting-easily, carries two great keys 4. The unique combination design has over one million different combination positions which means that nobody else has the key to your ride but you. 5. Hardened lock systems with durable protective PVC coating to prevent surface scratching, rusting and corrosion. 6. New innovative anti-theft device 7. Passed the PAHS Test in Europe. 8. Carries the ISO9001Quality Assurance Mark. 9. This lock is made of top quality materials, the 5/8 pin is hardened machine steel and nickel plated to resist rust and corrosion.