Hi, can anyone help with this problem please.
My wife has an EMU Step-Through mk1 bike bought in 2016. It has a Nexus 7 speed rear hub and a front hub motor which Emu tell me is a Shengyi 250w. It has a brand new 36v 14Ah/504Wh Li-ion battery.
Problem is an intermittent drive loss under load. On...