CD DVD Bearing and Fixed Hub for Mousetrap Cars
Description
One Hub Fits A 17Mm Od X 5Mm W X 9Mm Id Bearing, And The Other Hub Fits A 5/16" Od Dowel Rod. Add A Little Tape To A 5/16" Dowel Rod For An Axel, Or 3D Print One That'S 9Mm. Super Glue Your Cd/Dvd To The Hub, Easy!
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