12" Hub Motor (8" Actual Motor), 72V 5000w, Dual Phase Inputs by HM Motors

Huameng (HM Motor) is well known within the Fiido builder community.  Quality simply costs more and HM is the benchmark.  

72V, 5000W
Drop out:125mm, but needs 130mm (minor stretch or rear extensions on a Fiido Q1 / Q1S)
RPM:  2106
Magnet height:  60H
Pole Pairs:  15