> baird co Wrote:
> -------------------------------------------------------
> Check the sprocket by spinning the wheel and holding a pencil,
> screwdriver, stick, whatever, right above the teeth. As it spins, check
> the gap between the teeth and the stick.
>
> You'll notice if it hops up and down.
>
> But that wouldn't make your wheel hop. It'll just mess with your chain
> tension. And they all have a little bit of out of round-ness.
>
> It's the wheel or tire that would make it hop. Or a severely bent axle.
I can tell you, for fact, if your wheels are out of round enough like mine were it will absolutely move you up and down like a hopping, galloping horse.
The wheel won't leave the ground but it absolutely makes you feel like you're bobbing.