Fangrui Product Details 1. Universal Safety Code Wire Rope Helmet Lock For Motorcycles Bicycles 2. Material: Alloy + Steel Wire 3. Applicable: Locking Helmets, Locking Bicycles, Locking Bags 4. Compact And Light, It Won't Give You A Sense Of Weight When Traveling. You Can Easily Carry It In Your Bag Or Pocket. 5. The Lock Is Made Of Selected Alloy Material, Easy To Use, Anti-corrosion And Rust-proof, And Durable. 6. Retractable Telephone Wire Steel Cable Design, Easy To Stretch And Store Back, Can Be Stretched Up To 1.2 Meters 7. Thousands Of Combinations Of Three-digit Passwords, Difficult To Open, Safe To Use, Easy To Operate 8. The Retractable Steel Cable Can Be Wound At Will. The Riding Helmet Can Be Easily Locked On The Car, Making It Safer And More Convenient To Carry. 9. Steel Cable Diameter: 3mm 10. Steel Cable Length: 120cm 11. Lock Body: 6.5x4cm 12. Weight: 90g 13. Reset Password: 14. A. Clear All Three Digits To Zero 15. B. Use The Needle To Press The Small White Button Circled In Red 16. C. Press The Button And Set Three Numbers In Sequence At The Same Time 17. D. After Setting, Press The Switch Button To Turn It On