Small and Delicate --- This is 8 joints folding bike lock with 3 keys. The size of bike lock is 12*6*4 cm / 4.72*2.36*1.57 inch(L*W*H) and the weight is 22.57oz/0.64kg. It is smaller than iPhone 7. You can put it in your pocket. It supports many different bikes such as mountain bike. It can lock a few bikes at the same time. When you do outdoor exercise with your friends, you only bring one folding lock to lock your bike and your friendís bike together.
Strong and Durable Material--- The lock is made of aluminum alloy; the thickness of each piece of alloy is 1cm. The bike lock is strong, anti-corrosion, anti -saw which prevents theft and violence. This lock can clip on the seat tube. It is hard to cut off and break it down. And it prevents hacksaw, smash, Pry.
Water Resistant and Anti Corrosion --- The lock is covered by rubber lacquer which can make the lock water resistant and anti-corrosion. It can protect it from water, rust, corrosion. This significantly helps to extend the life of the lock. There is no strict preservation, just keep it in anywhere.
Reflective Sticker--- There is a reflective sticker in the lock and you can clip it on the seat tube. It can be a warm tip to other bikes or cars when you ride your bike in the dark. When you take off the folding lock, you can still clip the reflective sticker on the seat tube in the dark environment. It will remind the car to avoid the bike.
Safe and Simple Installation--- There are three keys with the folding lock. You can keep in 2 keys as the backup and keep 1 in your key chain or your pocket. The main material aluminum alloy is strong. It cannot be easily unlocked. This lock can be directly to clip on the seat tube. The adjustable diameter suitable any size of seat tube and easy to use. The portable design makes sure that the folding lock is compact and well clip on the seat tube.