About This

• 1. [Dual Anti-Theft Design]: LEYMENCOJ Bike Chain Lock +110DB anti-theft bike alarm, this is the latest style upgraded to a two in one design in 2025. It consists of a 0.315"/8mm ultra thick and 3.94FT (120cm) length chain and an adjustable 110DB alarm, which can deter thieves before the chain is cut, double protect your property, and achieve better anti-theft effect.
• 2. [High Material Iron Chain]: The electric scooter chain lock is made of high-quality anti rust metal, with a thickness of 0.315 inches (8mm) and a weight of 2.9pounds (1.3kg), that will be better prevents cutting and prying. It also comes with a scratch resistant canvas cover, which helps prevent scratches and wear on the bicycle.
• 3. [Personalized Settings]: Bike locks heavy duty anti theft bike alarm has more user-friendly settings, designed with 2 levels of sensitivity and 3 levels of volume. You can adjust it to the effect you want according to environmental factors. Rechargeable Alarm has a hard metal shell on the outside, which is anti fall and anti pressure, sturdy and durable. The interior adopts a glue filling process, which meets the IP65 waterproof standard and is not afraid of rain and snow weather.
• 4. [Widely Applicable]: Bike lock with alarm are equipped with electronic anti-theft devices that detect movement and vibration. When accidentally touched, a reminder will sound, and when moved again, bicycle alarm will sound for 20 seconds, deterring thieves and effectively protecting your bicycles, electric bicycles, motorcycles. They can also be applied to ladders, lawn mowers, gates, fences, toolboxes, sports equipment, etc., better protecting your property.
• 5. [Product Details] :The LEYMENCOJ alarm chain lock has passed FCC ID certification: 2BOFO-TS-BJQ03, packaged with: 1 bicycle lock alarm, 3 keys, 2 control devices, 1 silicone cover, 1 storage bag, and 1 USB-C charging cable.

Overview

• Brand : LEYMENCOJ
• Special Feature : Bike Chain Lock with 110dB Alarm
• Lock Type : Chain Lock
• Item dimensions L x W x H : 12 x 2.5 x 1.5 inches
• Material : Metal