Other Stuff > Misc / Open
Nuts on inner tubes
McCabe-Thiele (Ted):
So going back to the start of this post I have certainly learnt something.
PS Now I know why my sack trolley has a wonky tube valve.
K2-K6:
As noted on Ash's response, off road tyres are prone to moving when run at lower pressure, which you need to see before it tears the valve out.
The rears usually have two beed lock clamps to try and stop this happening, but often not tightened sufficiently to be fully effective, you have to winch them down real tight if you want to run low pressure.
An old endure race mod was to drill a hole on the tyre sidewall to take the valve out through there such that it would then go with the tyre if it rotated in use.
Believe that the moto-gp rears run at about 9 psi static pressure and can rotate to then put them out of balance. Valve not affected as tubeless arrangement.
Matt_Harrington:
Didn't guys use talc powder to lessen the issue of a rotating inner tube?
Matt_Harrington:
Catching up on my mag reading and saw this....
JamesH:
Well, I learnt a new thing today. Nice thread - thanks for the shared wisdom.
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