BBS02 - Pedals/crankarms vibrate when rolling the bike backwards, sign of a problem?

[npt45]

Thanks for the heads up on the waterproofing ideas, it sounds like a worthwhile investment to do.

My motor kit also handily came along with...

[npt45]

I did check the chain when pedaling, and it starts moving every time within ~1cm, in all conditions, so I think that confirms the motor freewheel should...

[npt45]

And just for people's curiosity, after all this discussion, here is a photo of my setup, though not much help for troubleshooting.

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[npt45]

The whole bike is just as it was since it was new (minus new brake pads and shifter cable), and has always worked well. The motor definitely isn't loose...

[npt45]

I'll keep my nose out of the tangential debate, though the idea of charging by rolling backwards is interesting, albeit I imagine pretty inefficient,...

[npt45]

Thanks for the thoughts. Just to clarify, if I spin the pedals alone backwards on a stopped bike, they spin 100% freely. If the bike is pushed backward,...

[npt45]

I have a recent BBS02 build with about 300 miles (an older Luna kit from ~2018), little used until this year, on an old hardtail mtb. On the whole it's...