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Old 07-18-14, 08:45 PM   #1
railrider2014
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Wire bead or folding bead tires?

Hi;
I just replaced the rear tire on my Trek 950. The new tire is a Kenda K850 wire bead (same as the old one was). It was difficult to get onto the rim (a Matrix 26" single-track), but with the right tools, I was able to do it. Today, I found that the inner tube had a leak, so I had to remove the tire and tube. I had a rough time of it, again using the steel tools (not the plastic ones). When I inserted the second pry tool under the bead, I could not slide it along to pop the bead over the rim. I finally got it to come off by using the handle of a standard slip-joint plier as the second tool.

I am wondering whether this is peculiar to wire bead tires. If so, my next one will surely be a folding bead. I don't think I need the extra strength the wire bead is supposed to provide - I am riding rail trails, not single-track.

Thanks for any help/suggestions.

FW
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Old 07-18-14, 09:02 PM   #2
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OK, this has been covered about a million times just in this forum so you'll understand if I'm blunt: you are doing it wrong.
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Old 07-18-14, 09:03 PM   #3
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rest assured folding tires can be just as difficult, or worse, to mount and unmount as wire-beaded tires.
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Old 07-18-14, 09:06 PM   #4
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Yes, in most cases, folding bead tires are more difficult to mount than wire bead tires.
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Old 07-18-14, 09:08 PM   #5
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Seems like some of my toughest to install tires have been aramid bead. Except the toughest 26" tires were 1999ish Serf as Drifters in wire bead.
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Old 07-18-14, 09:10 PM   #6
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Tires are made with wire beads because it costs less, not for extra strength.
I find a wire bead is easier to position when inflating because the stiff bead keeps it in place,
as opposed to the flexible bead of a folding tire.
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Old 07-18-14, 09:51 PM   #7
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Quote:
Originally Posted by AnkleWork View Post
OK, this has been covered about a million times just in this forum so you'll understand if I'm blunt: you are doing it wrong.
Well, you could have been more helpful if you had told me what I am doing wrong.
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Old 07-18-14, 09:57 PM   #8
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this is how to do it without tools that cause damage:

https://www.youtube.com/watch?v=-XUF...ature=youtu.be
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Old 07-18-14, 10:03 PM   #9
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Well, you could have been more helpful if you had told me what I am doing wrong.
But you couldn't look it up, right?

It's like a puzzle, or maybe an IQ test. Maximum rim diameter > tire bead diameter > minimum rim diameter. How do you pass a larger diameter thru a smaller diameter?
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Old 07-18-14, 10:33 PM   #10
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video's like that, while helpful for those that are new to mounting tires or are unaware that the well in the rim is a good spot to place the first bead while attempting to get the second bead on, don't EVEN BEGIN to address the truly, honest to god, hard to mount tire. in some cases they make me laugh. for instance, in that video, the first bead goes on with hands alone and the guy doesn't even take a deep breath or hardly mention that it may be difficult. ha!... ha!... HA!HA!HA!

i've had a couple, and i've said it before, that after removing the rim tape and not even attempting to deal with a tube, and forgetting all about the SECOND bead, have used two steel levers and both feet, legs, hand and back to get EVEN THE FIRST BEAD OVER A RIM. (Kinlin xr-200 rim and Vittoria Diamante Pro tire, BTW)

those tire/rim combinations are out there, believe you me. and like Moby Dick, are just waiting to snap you up. so beware.

Last edited by hueyhoolihan; 07-18-14 at 10:37 PM.
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Old 07-18-14, 10:35 PM   #11
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Good tire mounting technique helps, but some tire/rim combinations are just a pain in the @%#. Some easy tires have wire beads, some are folding tires. Some difficult tire have wire beads, some are folding.
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Old 07-18-14, 11:30 PM   #12
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Pass it through the Monitor, I'll do it for You
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Old 07-19-14, 05:14 AM   #13
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If you are using a thick rim tape like VELOX, changing to a thinner, slicker tape like Continental Easy Tape will give you more room to push the bead down into the rim to create slack on the opposite side. A couple of layers of filament-reinforced packing tape will work also but it leaves an adhesive mess when you remove it.
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Old 07-19-14, 05:55 AM   #14
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Check if the rims are drop center, if they are not replace them with drop center rims. They give you room to put the bead when removing or installing a tire.
I hardly ever need tools to install a tire on drop center rims.
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Old 07-19-14, 06:48 AM   #15
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Good tire mounting technique helps, but some tire/rim combinations are just a pain in the @%#. Some easy tires have wire beads, some are folding tires. Some difficult tire have wire beads, some are folding.
I agree with this! I had an incredibly difficult time removing and then putting back on the tires that I bought my bike with, even with the use of those plastic tire pryer tools to help get them off. I replaced one of the tires with something else and was amazed at how much easier it was to get off and on by comparison.
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Old 07-19-14, 07:17 AM   #16
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I had some cheap 23c tires that BROKE 3 plastic tire levers. Yes, I've changed many tires. Some are just evil.
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Old 07-19-14, 07:58 AM   #17
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Originally Posted by hueyhoolihan View Post
(Kinlin xr-200 rim and Vittoria Diamante Pro tire, BTW)
Interesting. I'm using the XR200s with Diamate Pro lights without any issue. Climbs well too. Perhaps the rim has slightly changed or the light version goes on easier.

To the OP, practice makes perfect. While some combinations are plain evil I've gotten to where I can do many with just my fingers.
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Old 07-19-14, 08:25 AM   #18
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But you couldn't look it up, right?

It's like a puzzle, or maybe an IQ test. Maximum rim diameter > tire bead diameter > minimum rim diameter. How do you pass a larger diameter thru a smaller diameter?
Incredible! Even when given a second chance you come off like an a@@.
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Old 07-19-14, 08:59 AM   #19
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Incredible! Even when given a second chance you come off like an a@@.
What do you come off like?
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Old 07-19-14, 01:51 PM   #20
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OK, this has been covered about a million times just in this forum so you'll understand if I'm blunt: you are doing it wrong.


Imagine being a member for a few years.
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Old 07-19-14, 02:00 PM   #21
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Hey, happy 10th Anniversary, @OldsCOOL !!!
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Old 07-19-14, 02:22 PM   #22
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Everything which is manufactured has tolerances. You just got a large rim or a small tire. Sometimes, it's much easier to mount tires.

Sorry I can't be of much help, but it's just that way with some rims or tires. I have a set of rims that's almost impossible to get a tire on to. It's a 559 so there's no nearby sizes I could be confusing it with. I filed down the edges of my tire tools so I wouldn't ruin the beads of my tires but I still wore through one in a few spots to the bead and had to throw it out.
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Old 07-19-14, 02:28 PM   #23
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Over at the nonprofit bike shop we once got a 27" wheel with a 700c tire on it donated to us. That was a fun one to remove!
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Old 07-19-14, 03:41 PM   #24
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Quote:
Originally Posted by ClarkinHawaii View Post
this is how to do it without tools that cause damage:

https://www.youtube.com/watch?v=-XUF...ature=youtu.be
Wow. That guy took a 30 second task and turned it into a five minute ordeal. LOL.
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Old 07-19-14, 04:59 PM   #25
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Hey, happy 10th Anniversary, @OldsCOOL !!!
Thanx, Lester!!
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