This set from AEROX is used to accurately check and adjust the castor on a range of modern touring cars, such as the Schumacher Mi9. (Not for use with FT8 FWD cars. )
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The castor meter is fixed with double sided tape to the included carbon fibre plate which is screwed accurately to the top of the hub carrier.
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The castor value is clearly and easily shown on the digital meter making adjustments super accurate and easier than ever.
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The unit measures just 36x36x20mm so is super small to fit in your pit bag.
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You may check the castor with the chassis flat on a set-up board. It may also be used when the car is on a set-up station.
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The screws can be left in place if using the plastic-hub carriers to save time in future use.
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The Device can be charged using the included USB cable.