Tire bead stuck to rim
06-10-20, 12:55 PM
#26
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Let the air out and see how easy it is to unseat. If, as you’ve said and from my experience, tires do stretch and become easier to mount and remove over time. Maybe leaving the wheel out in the sun might help.
John
John
06-10-20, 08:28 PM
#27
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I've noticed that the Schwalbe Marathons are good about stretching out when wearing in. The front tire used to be a solid, tight fit on the rim. Now, I can just pull the tire off without any tools... that tire has become really loose on the rim. So loose that I have to be careful when inflating it as it likes to bulge in some areas.
Edit: I created a separate topic (w/ poll) on the tubeless subject. I'm still torn... indecisive me.
Last edited by fullergarrett; 06-10-20 at 08:50 PM. Reason: Added link to poll thread.
06-11-20, 01:39 AM
#28
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Well, you should first try finding out why it was difficult to separate the tire bead from the rim seat. Did you find any adhesive on the tire or the inside of the rim?
Or do you have the rim tape stuck in between the tire and the bottom of the rim? The section drawing of the cliffhanger rim shows the bottom being a 90 degree flat horizonal surface. If the fit of the bead is very tight, and since the rim bottom is flat, if you installed full width rim tape across the entire bottom, then the fit would be even tighter because the effective seat diameter of the rim gets larger from the tape. If you're using tubes and the only sharp edges are on the spoke holes that are on the centerline of the rim, then you could try using narrower 18mm adhesive tape, like tesa 4289 strapping tape which is a similar material as some tape used for tubeless setup.
Or simply take a knife to your existing adhesive tape that is already on the rim and cut off a symmetric amount on both sides so that the center width is around 18 to 20mm and the seat area is free of tape. Then try inflating and deflating the tire and tube again to see if the tire still gets stuck.
I don't see how tubeless setup would make it any easier to remove the tire if you haven't figured out why it's getting stuck, or when it's because of the larger effective bead seat diameter due to the thickness of the tape, then since a tubeless setup requires full width tape then you might still get a stuck tire with tubeless setup.
Or do you have the rim tape stuck in between the tire and the bottom of the rim? The section drawing of the cliffhanger rim shows the bottom being a 90 degree flat horizonal surface. If the fit of the bead is very tight, and since the rim bottom is flat, if you installed full width rim tape across the entire bottom, then the fit would be even tighter because the effective seat diameter of the rim gets larger from the tape. If you're using tubes and the only sharp edges are on the spoke holes that are on the centerline of the rim, then you could try using narrower 18mm adhesive tape, like tesa 4289 strapping tape which is a similar material as some tape used for tubeless setup.
Or simply take a knife to your existing adhesive tape that is already on the rim and cut off a symmetric amount on both sides so that the center width is around 18 to 20mm and the seat area is free of tape. Then try inflating and deflating the tire and tube again to see if the tire still gets stuck.
I don't see how tubeless setup would make it any easier to remove the tire if you haven't figured out why it's getting stuck, or when it's because of the larger effective bead seat diameter due to the thickness of the tape, then since a tubeless setup requires full width tape then you might still get a stuck tire with tubeless setup.
