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Tire Mounting Issues

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Old 09-18-18, 11:59 AM
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Wilmingtech
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Tire Mounting Issues

Ive got some new Vittoria Torreno Dry tires that I am struggling to mount.

My first go around I couldn't get the tire on the rim. I tried soaping up tire and rim, pulling the bead into the center of the tire....etc. After about 30 minutes I finally got one side of the tire onto the rim. For the other side it took myself and my wife to get the tire mounted.

She would hold the 2 sides of the tire to keep it from slipping back off the rim and Id flip the lever in the middle to get the bead over the rim and with a loud snap the bead finally fell into the rim.

Exhausted, I started filling the tire with air only to find the tube either cane with a hole or we managed to put one in it while mounting. Back off and start all over.

The other struggle was that the bead was so tight on the rim that it slides down into the valley on both sides squishing the tube in the middle. Im struggling to pull it out of the valley after I get one side on just to get the tube valve through the hole in the rim.

Im getting some new tire levers (I broke one) and tubes to take another shot at this. Im 45, healthy and in good shape, strong fingers and mount and pull off most tires bare handed so its certainly either the tire or the rim or a combination of both. The rims are the same as these here Aerus AL 30

Any suggestions to help out with this? Do they make a tire stretcher?

thanks.

-Sean
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Old 09-18-18, 12:14 PM
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Old 09-18-18, 12:23 PM
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^^^ This was recommended to me when I was having similar problems mounting my Vittoria Corsa G+ tires.

My saga is documented here: Should I blow $160 on Compass 28mm Chinook Pass tires for my 1987 Bianchi?

Specifically, mounting the Vittoria tires starts here, at post 130 in that thread:

Originally Posted by Wildwood View Post
I've recently acquired a nice clincher wheelset and am considering this 'twin pack' purchase.

https://www.probikekit.com/bicycle-t.../11443944.html

Vittoria Graphene in a 28mm, 2 for $90 with free (slow) delivery from UK.

Mine arrived today, so I decided to put them on. I struggled for the better part of an hour to get the first tire mounted, and finally got the tire on the rim, only to find I pinched the tube. My hands are in pain. There is no f---ing way I could deal with this on the road. The tires look great, but if I knew they would be this recalcitrant, I would never have pulled the trigger.



My wife helpfully suggested I take it to a LBS to have them do it.

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Old 09-18-18, 01:03 PM
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I started a similar thread last week, trying to mount Vittoria Open Corsa CX 25mm tires on Campy Omega Strada Hardox rims. I gave up, and took one wheel to REI to see if they could mount it. It took 2 guys working on it, they replaced the old rim tape (that I had cut thinner hoping it would help - it didn't). After a test ride of a few miles I got a pinch flat - a small section of the new rim tape was double layered and bunched up inside the tire. So back to REI, different guy in the shop, he put on wider rim tape and mounted the tire, no charge, so I also had him do the second wheel. The cost was $10 per wheel, took him about 30 minutes to do both wheels - he mentioned it was slow because he was working carefully to avoid pinching the tube. The tires are fine so far, but I have not taken it out on a long ride yet. I'm hoping they will stretch with use so that I can patch a flat when I need to. I really had doubts that anyone could mount those tires, I was not even remotely close to getting the tire on, so it was a good lesson that I'm out of practice and need to work on improving my tire mounting skills.
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Old 09-18-18, 01:17 PM
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rumrunn6
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picking up a tip from another BF person, I've started using a pair of old toes straps to keep one side in while I work on the rest of it

also picked up these two devices (Speedier Lever & Tire Bead Jack) which I use in conjunction w a couple of my favorite tire levers. the tire jack is pretty cool (you are making sure one side is down deep in the channel, right?

Crank Brothers Speedier Lever for Tire, Black
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1



Kool Stop Tire Bead Jack (was particularly useful a few weeks ago when I had to mount 4+ tires)

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

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Old 09-19-18, 07:50 AM
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Thanks All. Glad to know its not just me.

Ive got new tire levers and tubes coming and Ill take another shot at this tomorrow when I get back. Ill post some pictures of my success or failures...
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Old 09-19-18, 08:48 AM
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or switch to mountain biking ..? mounted up some 40mm WTB nanos on a hybrid & 2.25" WTB Riddlers on a 29er & only used my hands to get them on ...
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Old 09-19-18, 09:55 AM
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Wilmingtech
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Originally Posted by rumrunn6 View Post
or switch to mountain biking ..? mounted up some 40mm WTB nanos on a hybrid & 2.25" WTB Riddlers on a 29er & only used my hands to get them on ...
Slowly getting there. These are going on a gravel bike.... one bike at a time
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Old 09-19-18, 10:03 AM
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Originally Posted by Wilmingtech View Post
Slowly getting there. These are going on a gravel bike.... one bike at a time
toe strap or any velcro strap really is handy. you squish the tire, both beads, down into the channel & strap it down. makes going around the rest of the tire so much easier. even with loose tires that are flapping around coming off just after you got it on. then once the whole tire is on, you can take the strap off
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Old 09-20-18, 11:28 AM
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I finally got the new tire levers and it is certinly making a difference. They are not bigger but shaped slightly different. I think the material or composition of plastics that they are made of is making a difference.

One other thing that probably has helped is that I got one side on the rim and let it sit for 2 days. Im sure that has stretched that side of the bead out.



As far as my fingers can take it....



Getting closer....


Using levers its almost there... I managed to use my fingers to roll the last 2 inches of bead over the edge of the rim.

The only struggle now is that the bead is so tight that it wants to sit in the valley of the rim. The parts of the tire that dont sit in the valley (ie: around the stem) dont seat in the rim.

You can see the bottom black edge of the tire sucks back under the rim where the bead is not seated properly.

For now Ill pump them up to 90 PSI and let them sit, deflate them later and see if I can slide the bead over to sit on the rim.

-Sean
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Old 09-20-18, 11:51 AM
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I would not continue to use tires and rims that don't play together well.
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Old 09-20-18, 12:16 PM
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If itís seated differently by the valve, odds are that itís the reinforcement around the base of the valve stem getting in the way. Undo collar nut and press down until valve reinforcement with certainty is inside the tire.
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Old 09-20-18, 01:42 PM
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Wilmingtech
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Originally Posted by JanMM View Post
I would not continue to use tires and rims that don't play together well.
Agreed but its specifically the tires. Ive got 4 wheels to do. 1 set are these Aerus Rims and the other set is HED Flanders rims. I have managed to get the rear wheel tire on both rim sets went on with a little bit of fight, but now its the front wheels I am struggling with.

I was going to buy two different sets of tires but I could not find the gravelking sk's in the size I wanted and pro bike kit had these vittoria tires for less than 30 each with free shipping. It was a stupid great buy but when you get stuff from PBK it doesnt go back.

Originally Posted by dabac View Post
If itís seated differently by the valve, odds are that itís the reinforcement around the base of the valve stem getting in the way. Undo collar nut and press down until valve reinforcement with certainty is inside the tire.
That is typically what I would check for but in this case its just the opposite. The bead of the tire is so tight that it sits in the valley and the tube does not have enough force to push out the bead to lock into the rim. Because of the stem, the tire cannot sit in the valley so that part of the tire bead is properly pushed into place After pumping the tire up to 90psi and letting it sit, most of the bead (90%) seems to now be properly seated.

-Sean
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Old 10-04-18, 10:49 PM
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Just wanted to follow up on this.

I left the tires at 90psi while I was out of town for a week. When I got back 3 of the tires were perfectly seated while the 4th had a patch on the tube that did not hold. I used the levers to get the tire off and was able to replace the tube and reseat the tire barehanded with no levers.

-Sean
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Old 10-05-18, 06:33 AM
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A strong +1 for the Kool Stop tire jack. It will seat very recalcitrant tires and almost never damages the tube. I've also found tires that are very difficult to install initially are much easier after they have been in uses for a while so road side flat repairs aren't the horror you would expect.
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Old 10-05-18, 07:43 AM
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Originally Posted by HillRider View Post
road side flat repairs aren't the horror you would expect.
agree but one time I had a broken wire bead that I didn't discover until changing the 2nd tube

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Old 10-05-18, 10:49 AM
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Originally Posted by Elvo View Post
I have used this one. Works great.
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Old 01-07-19, 06:44 PM
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Originally Posted by GailT View Post
I started a similar thread last week, trying to mount Vittoria Open Corsa CX 25mm tires on Campy Omega Strada Hardox rims. I gave up, and took one wheel to REI to see if they could mount it. It took 2 guys working on it....... I really had doubts that anyone could mount those tires, I was not even remotely close to getting the tire on, so it was a good lesson that I'm out of practice and need to work on improving my tire mounting skills.
Your tire mounting skills are not the problem! The following is my story... I couldn't find this information anywhere on the interwebs..
I bought Campy Omega Hardox Strada rims in the early 90s, made them into wheels in a Campy Chorus-equipped Dancelli steel-framed bike, never puncturing while using it (what luck!!). Following frame damage in 2006, I repaired and reserved this bike for my trainer. As many of you know, trainers chew tires. Changing tubes and tires was amazingly, extremely, super hard, compared to doing it on my other bikes, a 2006 Cinelli with Campy Scirocco G3 wheels and a newer Merida with no-brand wheels. So hard I managed it only by cutting tire beads on more recent tires (Vittoria Rubinos), or using old tires, some IRC Triathlons I had lying around. I gave up after being unable to replace the last IRC tire with a newer Michelin Pro, I would have damaged both rim and metal levers if I persisted.
Then I did what I should have done years ago; I measured the Omega Hardox Strada rims' circumference.. it was 1991 mm (78" 3/8). Newer rims, including the Scirocco G3s, were 1985 mm (78" 3/16).
This translates to a diameter difference of around 1.8 mm between newer rims and the Omegas .. the difference between changing tires using only one's fingers and an almost impossible job, damaging fingers, rims and tires.

Moral of the story: Old Campy Omega Hardox Strada rims should be avoided at all costs, or used only with much older tires (if they can be sourced) which were clearly built for larger rims, I confirmed this again with all my crappy, worn-out 90s-era tires.
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Old 01-07-19, 07:20 PM
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I had the worst experience I have ever had trying to mount tires. The tire are the Vittoria rubino pro + G(graphene). Trying to mount them on a set of Vuelta Corsa SLX. One tire I struggled with for quite awhile, not sure how long because I took a break and then went back to it, a couple of times. The second one I gave up on after snapping the tips off of 2 steel core tire levers and 1 Pedros lever. I decided to dismount the first one so I could use a different set of tires on the wheels. I struggled for probably 1/2 hour before I could finally get the bead free and pull the tire off. I have not tried to mount the Vittorias again as of yet, but Saturday I did receive a Kool Stop tire jack and will give it a try soon. I have had tires that were tight and hard to mount in the past, but nothing like the struggles I had with these.
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Old 01-08-19, 12:31 AM
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Ditto, the Kool Stop bead jack. I always tuck it into my jersey pocket. I like Conti and Schwalbe road bike tires but they tend to fit very tightly. I can't imagine wrestling with those tires in winter with cold, wet, numb hands. The Kool Stop makes it easy.
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Old 01-08-19, 07:58 AM
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I've been using Vittoria Rubino Pros for years on a variety of rims (Mavic, Shimano, Sun, Velocity) and never had one combination that wouldn't mount with only moderate effort. Most could be installed by hand and a few required a little help with the Kool Stop jack just to be sure the tube wasn't damaged.
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Old 01-08-19, 08:07 AM
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Originally Posted by HillRider View Post
I've been using Vittoria Rubino Pros for years on a variety of rims (Mavic, Shimano, Sun, Velocity) and never had one combination that wouldn't mount with only moderate effort. Most could be installed by hand and a few required a little help with the Kool Stop jack just to be sure the tube wasn't damaged.
I've also been using Rubino Pros for years. The only problem I've had was with a DT Swiss rim (I forget the model). Nearly impossible to get the tire on. And after a flat on the road and a half hour struggle to replace the tube, that rim is now history.
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Old 01-08-19, 08:29 AM
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Vittoria Rubino G+ Speed install on Shimano 9100 wheels by hand. Removal is easy with a lever or two.

Originally Posted by gearbasher View Post
I've also been using Rubino Pros for years. The only problem I've had was with a DT Swiss rim (I forget the model). Nearly impossible to get the tire on. And after a flat on the road and a half hour struggle to replace the tube, that rim is now history.
I would not use a tire/rim combination which required straps and bead jacks for exactly this reason. It has to be serviceable in the field.


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Old 01-08-19, 04:04 PM
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Rubino Pro III's seem to mount easily on many types of rims; that was my go-to tire for several years for almost all of the bikes in my collection until they went out of production last year. Still have several pairs safely stored for future use.

Corsa G's can be tough on some rims- Velocity A23's come to mind. Nice thing is they stretch out once mounted so when you get a flat on the road they are easier (note: easier, not necessarily EASY) to pull off and remount.

Three tricks I've learned along the way:
1) Warm up the tire the first time you mount it. Leave in the sun, use a hairdryer, whatever. One friend puts his in the clothes dryer, another runs them in the dishwasher. Yes, both bachelors. Regardless, warm makes them easier to mount up.
2) Use your palms, not your fingers, to mount up those last four or five inches. Don't know why, but it works better and it's less painful too.
3) Inflate to 40 pounds, then deflate and check to insure that inner tube is not caught under the bead. 40 pounds will get the inner up into the carcass but won't pinch flat your tube.
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Old 01-08-19, 05:11 PM
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Yeah, I've recently installed a pair of Vittoria Rubino Pro G+ and a pair of Vittoria Rubino Pro Control G+, and I haven't had an issue with either set.
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