I want to install a Bafang 750w mid motor on my 26in Fat Tire bike. the crank width on the frame is 11cm but I cant find that dimension (or one close to it) in the specs. any sugestions/
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I just ordered one for my Fat bike. I measured the bottom of the frame ( round part) between the pedals ie: the bottom bracket is what I think it is called. the Bafang motor has a couple of widths. I order the 100mm one and it slid right in. They have spacers too for most any width. I think there are 3 width offered, Was intimidating but ended up being way , way , way easier than all the stress I put into it. Check out Luna ebikes web page and there are lots of others too. Good luck. It is worth it...
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