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Getting Tired

Old 04-11-12, 05:07 PM
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Getting Tired

I just put new Specialized All Condition Armadillo Elite 700c x 25mm tires on RX100 semi-aero rims and I have never fought so hard to get tire on in my life. I have had new folders go on tight but these were extremely tight. I pinched two tubes and thought I was going to break a tire lever by the time I got the second sides on. This is the first time I have put folders on these rims (it's a new to me used wheelset) and the rims are deeper and narrower than the rims they are replacing, but WOW I was wishing I had a third hand. I've replaced a lot of tires from MTB to hybrids to old 27" but apparently I'm missing something with this combo of tire and rim. Is there something different when it comes to narrow deep rims and folders?
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Old 04-11-12, 05:20 PM
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Old 04-11-12, 05:25 PM
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The only thing I can think of is to use a thin plastic rim strip, like Continental Easy Tape, to leave more room in the rim for the tire bead to drop in and create slack. A little soapy water as a lubricant may help ease the bead over the rim. Some tire/rim combinations are just tough.
You might consider your ability to repair a flat on the road when you decide whether to continue using this tire or changing to another type
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Old 04-11-12, 08:34 PM
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Holy screaming cheeseballs. I unmounted the tire that had flatted again (another pinch) and it took me two tire levers to get the deflated tire off the rim. OK, My Mensa Society membership was lost in the mail, but I'm not stupid. I pulled out the tape measure and, shocker, the Matrix rims are a full quarter inch larger in diameter at their greatest dimension, the BSD is the same as my other tires but no wonder these suckers are hard to get the bead over. Well my other bike has Alex rims and Specialized All Condition wire bead tires, so I pulled those and installed the All Condition Armadillo Elite folders. Still snug but took all of 2 minutes to mount and only needed a couple minor prompts with a single tire lever at the very end. No pinches, no frustration, could easily do it on the side of the road with a flashlight between my teeth.

Now I know why I got a good deal on this used wheelset. I'm now considering trying my hand at some wheel rebuilding and putting some Velocity Dyad rims on these Shimano RX100 hubs. Anyone use Dyads? Had any problem with them?
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Old 04-12-12, 05:40 AM
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That is why I only use Kevlar beaded tires. They go on and come off for me without tools. I will give up a little puncture resistance
for ease of installing and removal.
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Old 04-12-12, 09:36 AM
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I had the same exact problem with a tire recently. When I broke my steel core tire tool, I gave up and brought the tire partially on the rim to my LBS and had him try it. He took it off and told me I had too big of a tube in there. He put a small tube designed for that size tire and he was able to get the tire onto the rim without even needing a tire tool.

Is the tube at the large size for the tire you are mounting? the smaller the tube, the easier it makes to mount.
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Old 04-12-12, 10:11 AM
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Armadillos are tough to mount on some rims. I have issues sometimes in mounting my 26x1.50 Armadillos.
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Old 04-12-12, 12:23 PM
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I had a similar issue with installing Gatorskins. I'm used to not needing levers...ever! How humbling. Had to buy some levers.
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Old 04-12-12, 08:38 PM
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I don't have a problem mounting my road bike tires, but mounting my MTB tires sucks. I found the only solution was something called a Quick Stick. I've never had a problem mounting those MTB tires since I got that. I will say that after about 5 years I broke a Quick Stick, though.
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