The 50x70 is just a rough size based on 2-seat UTVs with the same size tires. As you can tell, I'm bouncing back and forth between a golcart/utv and buggy design, or shape. The chassis with be all custom, no lawnmower. Really the only lawnmower parts will be the engine and transmission.
Oh yeah, that spacer is not what I'll be using, it's 3/4" on the 5/8" spindle. It was either get this bolt and need a spacer, or get the next size shorter bolt and have the outer bearing ride on some of the threads. I opted for the longer bolt. As for where the spacer will go, could go either way I guess. I'm hoping to put a disc brake on the back of that hub, so the spacer might add space if it's needed. Everything is still very loosely in the planning stages. And I adapt to whatever cheap/free parts come my way. Perfect example is the transmission, which I have not even seen yet, much less received.
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