bike folding lock hamburger chain anti-theft with mounting bracket cs01

our safe kit is made of heavy duty steel that is tough and cut resistant. it can withstand high strength torsional and tensile strength. a must have high security for you; it features special rivets that make folding easy and flexible, greatly reduces the locker size on the basis of largest locking space and make the small lock convenient to take along; use the key to unlock and unfold the chain to lock your cycling gear. after use, you can store the folding it in the included bracket on mount to seat post.