The bicycle I'm not sure if its?

working correctly. It rides Ok but not sure, what could be wrong?
Answers

OldHippie

Oh, gee...I don't know.

Jib Jab

Taking it to a bike shop mechanic isn't an option?

David

Well, you know, those Inviso-Bikes are buggers for going out of tune. And it's really difficult to find a certified mechanic. You might have to request one from Wakanda.

Amanda

need more deets

LandRiderJerry

The bike is fine; you're just being paranoid. Now puff puff pass.

pmt853

Yes, no, maybe, custard.

Hagatha

All the wrong things.