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Evening,
I'm looking for a bit of advice. I'm having a very annoying problem where schwalbe ice spiker tyres keep popping off my superstar 26" xcx rims. Not trying to use tubeless, rims are fine with other tyres, have used 2 ice spikers, one folding and one wire bead. Both were fine for a bit then popped off the rim, jammed the wheel and refused to stay back on. As you can imagine this has left me in a bit of a pickle both times!
Has anyone else had this problem? Have i been incredibly unlucky with two faulty tyres (unlikely) or are they just too loose on the superstar rims? I'm really keen to keep using the tyres but this has knocked my faith in them a bit much for trying any long rides.
Cheers,
Jim
Enduro / downhill stuff: tyres sometimes do this. But these events are accidents under extreme loads.
Ice Spiker: different style of biking. I would have assumed they stay forerver on the rim... Sound terrible. Cold like hell and stuck in the woods with a jammed tyre...
I never contacted Schwalbe - but this special problem might be worth a try?
Or, when mounting, try if you like:
-check first if some rim-tape moved over to the sides. Move it to the center again.
-lots and lots of fluid soap onto the rims
-lots and lots of talc powder between tyre and tube
-when inflating the first time. Put 1.2 times (or even a bit more) the max allowed pressure in
-wait a bit. Go down with the pressure to the desired setting and check on the sides of the tyre if they are perfect seated
Don't have other ideas...- no specific Ice Spiker inputs. Sorry...
Yeah the Ice Spikers have a weird (read horrible) carcass. I would imagine its a rim/tyre combo thats the problem, but the very stiff sidewalls of the tyres and Schwalbe's casual adherence to sizing probably doesn't help. Ultimately if they don't work the only real solution is to change the rims. That might be as simple as adding/removing some tubeless tape to give a better fit to the bead hook, or it might be the whole shebang.
If they're not working for you, buy some old skool mud tyres and a bag of Tungsten Carbide tips and make your own.
I found xcx rims to have insanely tight bead beds. At least as tight as stans, very possibly worse. I had some commuter tyres I couldn't even persuade to seat.
In the end I got tired of it and bought some wtb freq rims with a similar ERD off CRC when they were going for about 20 quid a pop and swapped them over.
Thanks all, I'm going to try a different rim.
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