Hign-concerned Chemical:None Color:Black Origin:Mainland China Describe Electric bicycle helmet lock, anti-theft universal fixed multi-function lock, battery car motorcycle bicycle helmet lock; Applicable to various models, motorcycles, electric cars, bicycles. Can be used as a hook, one lock for multiple uses does not occupy space. Easy to install, no instructions required. It is recommended for round pipes with a diameter of 22-24mm. Specification Material: aluminum alloy Product size: lock 65mm Packing size: 9*10.5cm Size: 9*10.5cm Colour: Black Type: Helmet lock Style: modern and simple Application: motorcycles, electric vehicles, bicycles Features: easy to install Quantity: 1 set Package includes 1*helmet lock 1*wrench 2*key Keywords: Anti-theft Helmet Lock,Keys Set,Universal Security Metal Lock,Handlebar Mount Lock,Motorcycle Electric Motorbike Describe Electric bicycle helmet lock, anti-theft universal fixed multi-function lock, battery car motorcycle bicycle helmet lock; Applicable to various models, motorcycles, electric cars, bicycles. Can be used as a hook, one lock for multiple uses does not occupy space. Easy to install, no instructions required. It is recommended for round pipes with a diameter of 22-24mm.