This rim tape doesn't look like it will last long but it's good for homework. I use it to measure hiking routes and plan the car show I'm organizing. It's normal with things like this. The wheel is held to the frame with a plastic pin, which is probably the weak link in this thing. Don't take it if you need ultra-precise measurements. I tested it with a 100 foot tape measure that I placed on the ground and the wheel always read between 101 and 102 feet.
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