Anti thief sound security alarm electronic lock system for bikes

1.Comes with two keys and a 5.5 mm hardened steel pin.
2.Suits almost anything with a perforated disc brake
3.Compact size (47*45*25mm) makes it easy to stick in one's pocket
4.Space between back of the lock and the pin is 21mm

 Packing: color box

1.This product exported Mexico, the United States, Poland,Canada,England,and other countries.

2.We guarantee each product will be checked.

3.If there are bad products, we will promptly pay compensation to customers without any charge.

4.We also sell a lot of similar electronic products, varieties, good quality,cheap price.