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Old 07-10-2011
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Jamie.T Jamie.T is offline
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Join Date: Feb 2008
Location: Crosshands, SW Wales
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STD 1/10 car pinions use a 1/8 shaft (3.175mm), but these are called 3.2mm to round it off. Any STD 3.2mm pinion will fit your 3.17mm shaft without excessive play.

Hope this helps.
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