Re: poor handling at top speed
I would bet it's the slime tubes, my wheels aren't balanced on my rides & I've no problems - but I'm not runnin' the goop. I imagine it's prolly variable, if ya goop the tubes and ride immediately for a while mebbe it spreads it out more uniformly than if ya goop 'em and let it sit?
I dunno... I thought about the slime stuff... but then was horrified by the mental imagery of a blow-out and the resultant mess, so I put it back on the shelf heh. I've really not had a problem with flats ever since I got good tubes & tires *shrug*
I'd run w/o goo and see before I got into "balancing" bicycle wheels, motorcycle rims use clip on weights and/or stick-ons BTW