Alloy Lock Head: Chain lock 21 inches long with a 4mm wide steel core.

Bike Lock Combination: The 3 digit combination provides easy and fast unlock.

Instructions for Use: The initial password is 000, which can be changed( no keys required ).

Note: Measure your door’s backset, cross bore and thickness to ensure you find the right fit.

Zip Tie Design: the zip tie design makes the lock achieve a stronger bite force, you can adjust the tightness of the zip tie scooter lock according to your needs.