Ultra‑Strong Hardened Carbon Steel Construction for Maximum Security: Our heavy‑duty U‑shaped bike lock features thick hardened carbon steel shackle and zinc alloy anti‑pick lock cylinder. Waterproof, Dustproof & Scratch‑Resistant PVC Protective Coating: Covered with thick wear‑resistant PVC outer layer, the bike U‑lock is fully waterproof and dustproof, perfectly suited to changeable British weather including rain, frost and damp conditions.
