【Upgrade Material】Our folding lock with keys is made of high-strength steel, which is hard, cut and shear resistant and withstands high torsion and tension. It has a high level of theft, fracture, cutting and manipulation functions. The very safe bicycle lock gives your bicycle security. 【Smart Folding Design】The bicycle lock weighs 700 grams and has a total length of 83 cm. It consists of 26 joints that can be rotated 360 degrees.which can be operated directly with one hand. The shell is made of ABS plastic which perfectly protects the bicycle from scratches. 【Portable and Easy to Use】The folding lock with bracket can be fixed to the seat post with a non-slip Velcro fastener, or it can be fixed to the bicycle frame with screws. Once it is attached, the bike will no longer rattle even if you ride on bumpy streets. It is very suitable for mountain bikes, racing bikes, E-scooters, etc. to protect your cycling safety anytime and anywhere. 【2 Keys】The high security level of the bike lock