Durable and Waterproof - Disc lock is constructed with high grade heavy duty alloy steel body. Super class B lock cylinder prevent saw off, prevent pry open and voilence open. Carbide-reinforced hardened-steel locking pin with waterproof function so it never get rusty in rainly day. More Safety - scooter can be locked easily by pressing the lock without a key, more convenient. We special matched one reminder rope over 120cm in extension that made of hard steel and environmental protection PVC material, anti shear, can be used with lock together, more safety. Wide Range of Applications - This disc lock suits for most electric scooters, 5mm pin diameter fits most disc brakes. An ensurance for your belongings like Xiaomi Mijia M365, Ninebot ES Series scooter. Easy to Install - It can be installed in few minutes,only need a screwdriver to place the lock on your scooter. Package Include - 1 disk lock an 2 keys, a specialty mount with screws set so that you can install the mount on the pole of your scooter.