u ar using those rubbish kyosho aluminium gear ay ma....u try to use its optional steel gear....never happen again
thanks bro advise. the 18t gear is not kyosho's product and it is hard aluminium too . I suprise why the 52t still in good shape when 18t has been cut sharpened .
thanks chris. ..but I don't know what brand steel gear can support my car clutch ....cos it is G4s RTR and follow with K-factory gear.. I has tried others such as 3RRR 1st gear but can't fit it.. ...