【High Strength Alloy Steel Chain】This bicycle chain lock inner chain is made of 6mm high-grade alloy steel and will not be cut and opened by thieves， significantly decreasing the chance of theft. 【Unable-to-Crack Security-Code Lock】The bicycle combination lock provides 100，000 combinations， which is 10 times more difficult to crack than a 4-digit password， making it almost impossible to crack. Save the trouble of carrying the key， just enter the password to unlock， which is very convenient. The default code is 00000. 【Weatherproof Cloth Cover For Protection】The bicycle chain lock is wrapped in a high quality polypropylene fabric， which is scratch-proof and wear-resistant， anti-hot and anti-icing hands; it protects the chain and prevents it from scratching your bicycle frame. 【Bicycle Combination Lock Size】The total length of this bike lock chain is 39inch and the weight of which is 1.63lb. You can just wrap the combination bike lock on your bike frame or just put it into your backpack to enjoy your beautiful day like never before. 【Wide Range Of Applications】You can lock the wheel to posts， trees， railings， and other fixtures. It can also be used to lock doors， yard fences， sports equipment， barbecues， ladders， and anything you need to lock.
Bike Chain Lock Bike Locks Heavy Duty Anti Theft with 5 Digit Combination Code
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