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Review title: Threads stripped out...
Product review: I'm sorry to say that I was very disappointed in this product. There are so many things that can be done to your wheels to speed them up, and almost all of them require a wheel mandrel. The screw that holds the wheel in place stripped out after it's 3rd use!! (with many more uses still to go!) Luckily, I was able to get a replacement screw at my local hardware store in time to finish the wheel-tuning before the race. For a few extra bux, I'll be getting the Pro-Wheel Mandrel from Derby Worx for my son's next race.
