
My only problem is that some of the instructions are mistranslated into English. The company needs to fix this as grammar and spelling matters. If this is not the case, this affects the perceived quality. Installation isn't difficult if you watch the video and see that both battery compartments have paper insulators. In case you missed this, you obviously don't know that paper is NOT a conductor. I like the concept of zip ties because they are easy to replace. Measure the circumference of the wheel with a circle to determine inches. Multiply X inches by 25.24. By the way, 2.54 cm = one inch, so if you move the decimal point one place, the unit is millimeters. Take it? Enter the product to ensure accuracy instead of using a chart. Better yet, have a helper with you and put your weight on the seat. In any case, the installation is easy and make sure there is enough space between the stationary sensor and the moving metal part. works for me . . Let's look at longevity.

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