Material: This bicycle lock is made of high strength steel wire winding and wrapped with PVC, which is resistant to scratching and abrasion from rustingThe lock cylinder is made of steel alloy, which can withstand 2kn tension and 7kn cutting force, which is more powerful and r Safe and reset: Smart 5 -digit reset combination chain lock is much r than other 4 -digit locksIt is easy to set your personalized number combination Multi-purpose: Cable lock is 4 fit, long enough to lock 2-3 bikes together, sufficient for different users; It makes it easier to carry self -surrounding design; Equipped with complementary assembly brackets, the lock can be easily added to other objects; Or you can lock your bike to a tree, door, fence, railing, thick pole and othersThe lock can also be used for motorcycles, scooters, skateboarding, grids, stairs, doors, grass machines and many more things Easy to use: The combination locking mechanism provides ease of switchless use and set your own password with easy stepsYou don't have to worry about losing your key with the ease of switchless use and forgetting to carry it with youCode design saves you from the trouble of carrying keysThe code can be reset - there are 10,000 combinations you can set, which only makes your chance to break the code 1/10000The default code is 00000 Customer Service: If you have any questions about us, please feel to us.