Huangchi Bicycle Lock [125cm Extended Anti-Theft] Four-Digit Combination Lock Uncuttable for Electric Bikes and Glass Doors

15 years of industry experience specializing in high-quality cycling equipment

Professional production base covering approximately 80,000 sqm

Large-scale shipping warehouse of about 10,000 sqm

Independent R&D and manufacturing as a source supplier

Chain lock production workshop with strict quality control and certified manufacturing strength

Next-day delivery via JD Logistics

24-hour all-day shipping

Dedicated brand warehouse with long-term health monitoring and regular disinfection

Customized courier boxes for secure packaging

True anti-theft design with password protection

Hydraulic cutter resistant with reinforced structure

Four-digit password lock with 10,000 possible combinations (#2222, #3333, #4444 examples)

Five-digit password option for enhanced unlocking difficulty

PVC protective sleeve for waterproof and rustproof performance

Suitable for outdoor use with overall corrosion resistance

Vehicle lock bracket compatible with various seat posts

High heat-melt alloy steel lock core for extended lifespan