• The password knob is made of ABS engineering plastic, with high strength, long-life, and flexible rotation
• Both lock head and lock core are made of zinc alloy, sturdy and durable
• Waterproof, rust proof, scratch resistant outer layer, not prone to rusting
• Unlocking without the need for a key is convenient, fast, and labor-saving to use
• When riding, the lock is stored on seat post, no need the bike bag

Specifications:

• Model: 904T
• Lock rod thickness: 5mm
• Steel wire length: 60cm
• Lock size: 84x20x15mm