170mm / 175mm Powerful (3kw+) Direct Drive Motor Options

Joined
Sep 8, 2019
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665
Location
USA, CA, Bay Area
From what I've been reading/searching, once you want to start getting into some big direct drive motors, people lean towards a few manufactures: QS, MXUS, NBPower, and a few others.

However, outside of NBPower, the major motor makers seem to only offer chonky direct drive motors in 150mm dropout sizes. There are occasionally one-off runs of something else, but finding a QS205 170/175mm dropout axle (at all, let alone laced into a 20x4) seems just about damn near impossible. Same for any mxus 3/5k. NBPower seems to do this, but there's a lot of contention around the quality of those motors when held up to the QS related variants.

(I'm shopping around because, sadly, my Grin Fat All Axle is turning out to be a lemon.)

Where are the fatbikes getting DD motors from these days, if they want to go big power, little (20") wheel?
 
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