High Security 5 Digit Combination Anti Theft Bike Chain Lock

• High Security & Keyless Design
Designed with an advanced 5-digit resettable combination, this bike lock offers up to 100,000 possible codes, far more secure than traditional 4-digit locks. Keyless design saves you from carrying keys while providing reliable protection. Default password is 00000, please reset after purchase.

• Rock-Solid & Built to Last
Made of ultra-thick 0.236"/6mm manganese steel chain, this bicycle lock delivers excellent resistance against cutting and sawing. The zinc-alloy lock core adds extra strength and durability, ensuring long-term security even in high-risk environments.

• Scratch-Resistant Cover & Dustproof Cap
The high-quality polypropylene fabric cover protects your bike frame from scratches, prevents rust, and shields your hands from extreme temperatures. The dustproof cap effectively blocks rainwater and sand from entering the lock core, extending service life.

• Convenient & Easy to Reset
Resetting your password is simple and quick. Keep the dials at the correct unlock code, then rotate the reset dial 90° to set a new combination—no tools required and no hassle.

• Versatile Applications
Available in 2.6 ft – 3.6 ft length, suitable for locking two bikes together. Widely used for electric bicycles, electric tricycles, electric scooters, and more.