High Security Protection: Features a 17mm heavy-duty shackle made from 20CrMnTi steel, providing ultimate anti-theft security for electric bikes, scooters, and folding bikes. Sold Secure Diamond Certification: Certified by Sold Secure for its exceptional strength and resistance, offering top-tier protection for your valuable e-bike or scooter. Compact Design: Interior dimensions of 4.7" x 5.7" (115mm x 145mm) for a compact yet secure fit, designed to lock your bike to a variety of sturdy objects. Lightweight & Portable: Weighs only 2.53 lb (1.15 kg), making it easy to carry around without adding unnecessary weight to your bike or bag. Versatile Use: Ideal for electric bikes, folding bikes, and scooters, this U-lock ensures the highest level of security whether you’re commuting or storing your bike.