原帖由 ernestf 於 2007-11-21 11:52 發表
have you check all the ball bearings on both side of the suspension ?
原帖由 Brushless 於 2007-11-21 13:01 發表
take out all the bearings, and check one by one, then identify and change the unsmooth one , it costs you $10 or so only.
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