thanks skyliner...

Toy wouldn't reversing the engine cause the chain to come out facing the front of the bike.

I am using a plastic wheel from a caster now on my electric bike.

I had planned to have the sprocket welded right to the drive wheel either way I go. Whether the wheel revolves on the shaft or the shaft revolves in the bracket, I think I'm going to go with the sprocket welded to the drive wheel.

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