Thread: B4 17.5 gear ratio
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Old 24-07-2016
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bretts bretts is offline
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They say a FDR of about 5.5 for 17.5 stock in 2wd Buggy.

So...I would say 69t Spur (AS9648) and 31t pinion as a starting point.

Maybe 30t for indoor

HTH
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