I have new Rynolite rims teamed with XT hubs. Previously I have used Thorn Resistant Tires (Pyramid/Kenda) that are rates up to 2.25" tires. And I have been using Panaracer Cinders in the 2.25" width.
Now with my new rims, the inner tubes seem to be "slipping" inside the tires. These eventually rips the valve stems. This tire/tube combination worked fine on narrower rims. The bead on the Cinder's were a loose on the older rims, but you definitely need the levers to get them on the Rynolites.
The kicker here is that my "backup" tubes that are thin skinned do not suffer from the slippage and valve rips.
I know that the Cinder's are supposedly a little "large" for their rated size of 2.25". Will a switch to full blown downhill tubes (2.25-2.5 like the IRC Torque Tubes) solve my problems??
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