Forum menu
I’ve just put some new tyres on my sons mtb as he kept getting punctures at the foot of the inner tube valve. Normal tyre/tube set up. All seat fine but they are sooo noisy. They sound like a squelch on every rotation. I’ve put two new inner tubes in thinking it would solve it and also another set of tyres on but they keep making a right racket!! I’ve checked spokes, hubs, brakes and just can’t work it out. Any ideas?
air trapped between the tyre and the tube? tubeless rims?
Possibly air, the rims aren’t tubeless though. It’s loud. Just can’t understand how to fix it.
Did you try talc to prevent the tube getting cut at the valve?
Also sand the hole in the rim (gently) to get rid of and sharp edges/burrs?
I don't see the new tyres during the issue you have to be honest.
Can't really comment on the odd noise but I would bung in some talc as it might just cure that too!
It’s worth a go. Cheers. I may change the rim tape whilst I’m at it.
Water trapped in the rim? Tyre catching on something?
have you tried blowing them up to high pressures for a bit?
Are the tyres directional and do you have them on the right way? Just wondering if it's the knobs squirming.
Are the beads seated properly and the rim not buckled so the tyre isn't contacting the road obliquely?
Checked for water, although the sound is a definate rubber sound. Pressured up to 55psi and still doing it. Taken back off and rims all straight and true. Tyres are directional and the right way. Weird!!
he kept getting punctures at the foot of the inner tube valve
In my experience, that seems to happen with Presta valves at MTB pressures. I concluded it's down to the tyre moving round the rim under braking and dragging the tube with it. So talc between tyre and tube may help, talc between tyre and rim will not.
Its beaten me...….almost!!
I've changed the rim tapes today, re-checked every spoke, put a little powder between the tyre and tube only and its still doing it. Went down to my LBS bought another pair of new tyres fitted them and its stopped. Never in all my time has this ever happened. Perhaps I have been able to find an incompatible pairing of rim and tyre. Two sets of Panaracers = Noise from hell, but a pair of Schwalbes = bliss!! Still cant work it out though, maybe I didn't have the tyre logos aligned with the valves 🙂