Originally Posted by rockmuncher
Fairly common when you get rubber pressed against rubber over a period of time/heat. Good qaul tubes come with a coating of talc. If your tubes don't have a talc coating you can put some baby powder on yourself before mounting them on the rim.
Never seen it in all my years of mountain biking, I guess because I did precisely that (put talc in). Pretty bloody hopeless for a manufacturer to ship a bike like that. Or is it the bike shop that mounts the tires.
Originally Posted by rockmuncher
Your bulge is caused by something else!
Well it seems all my bulges are unappreciated at the minute.
