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Old 07-26-24 | 03:15 PM
  #15  
VegasJen
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Joined: Dec 2021
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Originally Posted by KerryIrons
How hot is it getting in your garage? For reference, if you pump to 100 psi (which is at the high end of what pressure you should be using) at 70 F, and the garage gets to 140 F, your pressure would rise to 112 psi. That should not cause the tire to blow off the rim. You don't explain what you mean by "tubes pop" but it you came out and they were flat with the tire still on the rim, then temperature was not the cause.
I didn't say the tires blow off the rims. The tubes rupture. I'm seeing small splits, typically at a seam in the tube. They are mostly about 1/8-1/4" long when I pull them out. A few might be blamed on old tubes but the majority of my tubes are 2 years or newer.
Originally Posted by skidder
You might think about getting a 'whirlybird' vent put up high in the garage, even if you can only install it at ceiling level if there's living space above it (there are types that can be 'angled-up'). My garage used to get up to 110F if I had the doors closed, I put one of those vents in the roof and now it rarely gets about 85F (typical summer outdoor temp in the shade). I got the whirylbird put in when the roof was replaced, single-story house. Just an idea if you own the house you live in.

I do need one (or two) of those. I'll probably do that this fall.
Originally Posted by Rick_D
My sympathies. We've had the hottest July ever in the California Central Valley (hit 111 at the house) and there are times my ebike can't recharge until it cools off after an afternoon ride. Too hot.

I have retrieved a bike from my car trunk to find the tires blown off the rims. This was pre hook-bead rim days and I have not had that experience since on modern rims, but still think it's possible. My bike locker at the office is in the sun all day and mid-summer I won't take chance on leaving a bike in it during a heat spell. Guessing it gets to 150 or more inside, on a triple-digit day.

PITA but stowing your bike with the tires partly deflated seems prudent, Just pump them to spec when riding, then release some air when stowing. PITA but much less than replacing a tube.

Wonder if tubeless goo cooks and loses moisture when stowed hot?
I can answer about the tubeless sealant for sure. It's not too bad so long as you ride the bike 2-3 times a week, but if you let it sit a week or more without riding, the sealant will dry up. I prefer tubeless because I have a well known history of punctures out here. Right now I'm running tubes in everything because I am getting ready to go out of town for a couple weeks, but once I get back, I'll be switching back over to tubeless on my two primary bikes.
Originally Posted by spelger
how how in the garage? im in reno so not quite as hot but i do have the baking hot sun on my 3 uninsulated garage doors and it routinely gets up to 100F in there easily. been working on a piece of aluminum for the spitfure and it just sitting on teh work bench is hot to the touch even as late as 6pm. in those temps i just don't want to work in the garage.

by the way, i'm an 80 psi kinda guy with 23/25 mm tires.
I'm not really sure. I would hazard to guess in the afternoon sun, it's somewhere between 120-130 in the garage. I should put a thermometer out there, but I have to find one that reads >120*
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