Lehners are in!

Originally Posted by MetalMan

You prepared to deal with 4mm shafts?

Is there a sleave or a bushing that can be used with a 5mm pinion so that it will fit the 4mm shaft. Awhile back I bought a pinion from Mike that had that same kind of deal, a sleave that fits into the pinion which made it fit a 5mm shaft.

What is the proper name for those? And where can they be purchased from?