Sounds strange. I run the more common 216x63 on my E10, using one offset bushing on the yoke side (-2mm installed length = 214mm) and I milled away a little aluminum on the yoke, just enough that the yoke clears the seattube with the longer shock. I never had an issue with my 27.5 / 2.6 rear...
90 kg and fit. 50 km and 1.500 hm medium assist level (2-3/5). 840 Wh battery. Ambient temperature 25 C. You know this is hard to compare and may be misleading…
I‘m selling my used M510 FC1 appr. 1.800 km never opened never saw pressure washer or excessive water from hose or rain. Motor runs on firmware
CRX10NC4814i101003-1-cs-28-2230-boot3-0-20220517161110-48v-M510.bin
with no issues. The motor comes with new crankset 170mm, new spider and 32T...
Firmware upgrade was successful. Did You ever play with the Besst Pro parameters? What Did You change? I see multiple options, but I have no idea on what to change / what will be the effect of startup angle / acceleration etc. Some advice?