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  1. #1
    RoadBikeReview Member
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    An epic battle: Pacenti SL23 vs. cyclist armed with tire jack and New Mich Pro4

    I put a used Michelin Pro4 23mm on the front with some difficulty. I knew the new one for the rear was going to be tough. It took me over an hour with tire jack to coax the bead over the rim. Heaven help me if I flat.

    Fair warning: Those of you purchasing this rim may want to have 2 tire jacks available and another set of hands. I'll be curious to see how those who flat on the road fare changing tubes.

    The wheel is definitely sturdy. I'm confident it took more abuse tonight than it will get on the road for some time.

  2. #2
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    Sorry you had a hard time with the tire installation. With tubeless ready rims, it makes a huge difference to make sure the tire is in the recessed portion of the rim.
    Valley Cyclist Wheels www.valleycyclist.com
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  3. #3
    Big is relative
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    Put the tires out in the sun to warm them up before mounting. Your troubles are not new to those of us with campy wheels.
    Retired sailor

  4. #4
    Online Wheel Builder
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    Quote Originally Posted by valleycyclist View Post
    it makes a huge difference to make sure the tire is in the recessed portion of the rim.
    This.

  5. #5
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    Quote Originally Posted by VinPaysDoc View Post
    I put a used Michelin Pro4 23mm on the front with some difficulty. I knew the new one for the rear was going to be tough. It took me over an hour with tire jack to coax the bead over the rim. Heaven help me if I flat.

    Fair warning: Those of you purchasing this rim may want to have 2 tire jacks available and another set of hands. I'll be curious to see how those who flat on the road fare changing tubes.

    The wheel is definitely sturdy. I'm confident it took more abuse tonight than it will get on the road for some time.
    LOL, I had the same issue with the same tire in rim in a previous post.
    The tire came off much easier (result of a few pinch flats from the installation - I didn't give it an hour).
    The next set of tires will be warmed up and stretched, lesson learned.

  6. #6
    RoadBikeReview Member
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    Quote Originally Posted by valleycyclist View Post
    With tubeless ready rims, it makes a huge difference to make sure the tire is in the recessed portion of the rim.
    Unfortunately, it was. Perhaps the veloplugs took up some of that space? Hands are sore this morning.

  7. #7
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    Got a blow dryer out to warm up the remaining section of the tire that was stubborn. I'm just not sure the heat helps the kevlar bead much....

  8. #8
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    Suggest lubing the bead liberally with soapy water (or talc)

    For reference, in the case of tubeless tires the manual says "Fitting a Tubeless Tyre The rims must be lubricated (no oil or grease) all around the circumference to help the tyre slide when being fitted and, in particular, to ensure the tyre clips in and is correctly centered when pressure is increased."

    This is also helpful with tubed tires.
    ... 'cuz that's how I roll.

  9. #9
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    Quote Originally Posted by VinPaysDoc View Post
    Unfortunately, it was. Perhaps the veloplugs took up some of that space? Hands are sore this morning.
    Probably. They definitely didn't help. Try that Stan's tape....it's pretty thin.

  10. #10
    wheelbuilder
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    I have found that with tubeless rims that have a recessed channel, veloplugs make tire mounting more difficult than something thin like the Stan's yellow tape. That's what I install on all my rims. Velocity makes a tubeless tape as well, but I haven't tried it yet.

  11. #11
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    I posted this in another thread last year:

    I never had any problem mounting tires until I got my new Kinlin rims. They have a very shallow well, so when the bead is pushed to the center, there's not much slack to get the last section of bead over the rim edge.

    Even with no tube and just one bead mounted and down in the center, I can't slide the tire around on the rim to align the label with the valve hole. That's really tight!

    I had sore fingers and mangled levers when I mounted the tire the first time (and it wasn't a new tire). I wondered how I would change a flat out on the road.

    I have a good method now to easily mount the tire with just one lever. The key is to just lift an inch of bead at a time, then repeat. It's fast and easy.

    Here's a Picasa photo album showing the steps to remove and remount a tire.

    Do this:



    The shallow well makes it difficult to mount the tire (but it keeps a flat tire on the rim!)


    Levers with a flat back (to let the bead slide down to the end) and a rounded tip (to avoid pinching the tube) work the best. I use these Continental levers. Pedro levers are similar, and easy to find.

    Last edited by rm -rf; 03-20-2013 at 07:25 AM.

  12. #12
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    I've fitted 28mm Schwalbe and 25mm Vredestein tires on my SL23s, and neither required the aid of a tire lever. The fit was tighter than my H+Son Archetype rims, but not terrible.
    GRAVELBIKE.COM - ride everything

  13. #13
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    When I was doing the testing for the SL23 rim I mounted, inflated and removed the following tires without much effort. Pro4, Pro3, Vittoria CX Evo, Conti GP 4000, Conti GP and Fortezza Tricomp all went on with little effort as long as the bead was in the center channel, if it is not in the channel getting the tire on will be nearly impossible.

    I am running Pro3's on my personal pair and got a flat 2 nights ago and changed the tube with no tire levers on the side of the road.

  14. #14
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    Perhaps I should replace the veloplugs then. I still shudder at the idea of changing a flat.

  15. #15
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    Technique. That's all it comes down to, if you have experience with tubeless tyres then you'll know what I mean.
    A good example: How to fit a Marathon Plus Tyre.mp4 - YouTube

  16. #16
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    Re: An epic battle: Pacenti SL23 vs. cyclist armed with tire jack and New Mich Pro4

    I too had an epic battle with my SL23s just to get the tires on. I had been running Gator skins but when I bought them my LBS was out of the foldable variety so I grabbed the other ones. Once I switched to the SL23s I found that switching back to a foldable was actually doable. Even my LBS couldn't get the non-foldables on there.

  17. #17
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    Quote Originally Posted by Crawf View Post
    Technique. That's all it comes down to, if you have experience with tubeless tyres then you'll know what I mean.
    A good example: How to fit a Marathon Plus Tyre.mp4 - YouTube
    LOL this is no comparison to how tight things were initially with a foldable Michelin Pro4 SC.

  18. #18
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    Quote Originally Posted by looigi View Post
    Suggest lubing the bead liberally with soapy water (or talc)

    For reference, in the case of tubeless tires the manual says "Fitting a Tubeless Tyre The rims must be lubricated (no oil or grease) all around the circumference to help the tyre slide when being fitted and, in particular, to ensure the tyre clips in and is correctly centered when pressure is increased."

    This is also helpful with tubed tires.
    ^^ +1 ^^

    You don't usually need to do this with bicycle tires, but it is essential for motorcycle tires.

    Windex spray (or the cheap stuff from the dollar store) works very well.

  19. #19
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    Quote Originally Posted by mikerp View Post
    LOL this is no comparison to how tight things were initially with a foldable Michelin Pro4 SC.
    You are correct sir. Still, I learned something from it. I did not put the bead in the center well while trying to get the last bead on. I'm used to just pulling over the bead right next to the rim. The tire straps were also a nice touch, although I don't think I'll have any out on the road. This gives me hope that I might be able to change a flat.

  20. #20
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    No experience with the Pacentis, but if you put just enough air in the tube so it's firm then you can lever the $*** out of the tire to get it onto the rim without worrying about pinching the tube. I seriously don't know why anyone would mount a tight tire with their fingers (slow and painful!) I also have a Kool Stop Tire Bead Jack just in case (but have never needed it.)

  21. #21
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    Quote Originally Posted by Dunbar View Post
    No experience with the Pacentis, but if you put just enough air in the tube so it's firm then you can lever the $*** out of the tire to get it onto the rim without worrying about pinching the tube. I seriously don't know why anyone would mount a tight tire with their fingers (slow and painful!) I also have a Kool Stop Tire Bead Jack just in case (but have never needed it.)
    In my case I wasn't using my fingers, I have a and tried the Kool Stop jack, it didn't cut it, neither did the plastic tire levers.
    Wound up using my alloy tire irons that I've had for 30+ years. The Pro4's and SL23's are just a hard fit on until they stretch out.

  22. #22
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    Quote Originally Posted by Dunbar View Post
    I also have a Kool Stop Tire Bead Jack just in case (but have never needed it.)
    Yeah, the Kool Stop was what I was using. I torqued that tire bead for over an hour before I finally got it on.

  23. #23
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    An epic battle: Pacenti SL23 vs. cyclist armed with tire jack and New Mich Pro4

    Was able to mount continental 4000s using a single nylon tire iron, so maybe switch tires.
    ALC12: Matthew - 7 Day 545 mile cycling event from San Francisco to Life to Support HIV/AIDS Services

    Bike: Merlin Custom ExtraLight, Enve 1.0 fork, Pacenti SL23 rims with navy blue Chris King hubs & matching spoke nipples, dual King Ti Cages, Zipp - Contour SL

    For everything else: upgrades in progress, so suggestions gladly accepted :)
    Shimano Dura-Ace 7800 9 speed

  24. #24
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    Absolutely loving this combo:





    No levers required to mount the tires.
    GRAVELBIKE.COM - ride everything

  25. #25
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    This is my favorite tool. No tires can beat me now!

    Kool Stop Tire Bead Jack

    Check out my new blog about everything at MakingNoiseAndDrinkingBeer

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