About this item Upgrade MaterialOur key folding locks are made of high-strength alloy steel, which is tough, cut-resistant, and shear-resistant, and can withstand high torsional and tensile forces. High quality high security bike lock provides security for your bike Ingenious design The bike lock weighs 740 grams and has a total length of 85 cm. It consists of 26 joints that can be rotated 360 degrees. After folding, it is only 6.6 x 7.5 x 5.5 cm (L/W/H), which can be grabbed live with one hand. The shell is made of ABS plastic, which perfectly protects the bike from scratches Portable and easy to useThe folding lock with bracket can be attached to the seat post with non-slip Velcro, or it can be attached to the bike frame with screws are attached. Once fastened, the bike will no longer rattle even when riding on bumpy roads. You can easily detach the lock to lock your bike, which is very convenient 3 Keys IncludedBike folding lock with 3 keys, you can take one for daily use and keep the other one at home , in case you accidentally lose it. NOTE: The key can only be removed when the lock is in place. It is very suitable for mountain bikes, road bikes, e scooters, etc