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  1. #1
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    Seven Axiom - Tires?

    Just bought a very nice used Seven Axiom frame. Looks like new and is my size. I was agonizing over whether to put 700 x 28c tires on like I am riding now or go with 700 x 25c. Seems like there are more tire options in the 700 x 25c. Well that question has been decided for me. Fork will not fit 700 x 28 tires. I am 260lbs and going down. How much will I notice the difference between 700 x 28c and 700 x 25c tires? Thanks

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    IMO, you may feel a bit of difference in comfort, but at 260, you will be fine on 25c tires. Besides, if you werent riding a ti frame before, you'll have some nice dampening with that Axiom frame (great frames!). I run Michelin Pro 4 25c tires on my road bikes and the have been great so far (I'm about 235-240).
    "I had this baby hand made in Tuscany, from titanium blessed by the pope. It weighs less than a fart, and costs more than a divorce..."

  3. #3
    Just Plain Slow PhotoJoe's Avatar
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    I'm 245, riding a Lynskey (also titanium) and have been on Conti 4000s 25's since day one. No regrets, no problems.
    If at first you don't succeed, Skydiving is not the sport for you!

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    SuperGimp TrojanHorse's Avatar
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    I used to ride on 23s when i was 245... The difference when i changed to 25mm wasn't very large. I run them at slightly lower air pressures and they're a little bit smoother. I imagine you'll explerience slightly the opposite.

    By the way, chainlove has had michelin pro4 service course tires a few times today for $29 in the 25mm size. that's a good deal. Probikekit or ribble are good places to source tires too (in england so shipping is about 2 weeks) I keep spares on hand for just such a reason.

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    My new Easton EC90SL fork on Bierwagen wouldn't fit a 28mm tire either. So, I've ended up with a 25 front/ 28 rear combo. Seems to work well for me.

    Which 28s wouldn't fit?

    Michelin seem to run wide. My Optimum Pros, which are listed as 25mm, ran a true 28mm on 19mm rims. While Conti GP 4 Season 28s seem to run about 27.5mm on the same 19mm rim and their 25mm run 25.5mm true. I know there are some other sizing discrepencies amongst other manufacturers as well.
    Birth Certificate, Passport, Marriage License Driver's License and Residency Permit all say I'm a Fred. I guess there's no denying it.

  6. #6
    Senior Member Homeyba's Avatar
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    As Fred pointed out there is definitely a difference in nominal tire size from manufacturer to manufacturer. Another thing to check is tire height. Width isn't an issue with my bike but tire height is. I run 23's on my Colnago because 25's rub but I can run 25's on the new Zipp wheels because they are lower profile.

    I would contend that most people cannot tell the ride difference between 25's and 28's of the same tire make and model. It's just not a big enough difference. In fact, I think that that Seven frame will make more of a difference. The OP will have to let us know.
    It doesn't get harder, you just go slower.

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    Quote Originally Posted by TrojanHorse View Post
    I used to ride on 23s when i was 245... The difference when i changed to 25mm wasn't very large. I run them at slightly lower air pressures and they're a little bit smoother. I imagine you'll explerience slightly the opposite.

    By the way, chainlove has had michelin pro4 service course tires a few times today for $29 in the 25mm size. that's a good deal. Probikekit or ribble are good places to source tires too (in england so shipping is about 2 weeks) I keep spares on hand for just such a reason.
    $29?!? That's a smokin' deal! When you say "a few times a day," is that like I have to get lucky when I visit the site?

    I'm using my Michelin's (on the road bikes) to commute between San Dimas and Pomona about twice a week (I use the "real" commuter the other day or two I cycle-commute) and I've found them to be great tires for this purpose.
    "I had this baby hand made in Tuscany, from titanium blessed by the pope. It weighs less than a fart, and costs more than a divorce..."

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    The tires that I tried were the cheap Bontragers that were mounted on my older Trek. I called Seven and they confirmed that frame and fork were designed for max. 25c. I had the serial number of frame before I bought it and Seven was very helpful answering all my questions I just never thought about asking about tire size. I would have still bought frame regardless. Thanks for info. I will check out chainlove for the Michelins. Still agonizing over all the decisions. What color group, all black wheels and spokes or put some color in the hubs. Definitely harder than seeing a bike complete and saying I'll take it. I have been searching for pictures of Titanium bikes to get some ideas of what different options look like.
    I thought I saw a "Show me your Titanium Bike " thread at some point but cannot find it now.

  9. #9
    Just Plain Slow PhotoJoe's Avatar
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    This what you're looking for?

    http://www.bikeforums.net/showthread...ow+me+titanium

    I agree. I think I would like red hubs on my Lynskey, but would probably end up with silver Ultegras.
    If at first you don't succeed, Skydiving is not the sport for you!

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    SuperGimp TrojanHorse's Avatar
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    Chainlove should be called "crack for cyclists.com" They put up a different deal every 10 -20 min. or so and you can get some screaming deals if you pay attention. or not.

    Actually, they're there again right now.

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    SuperGimp TrojanHorse's Avatar
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    Here's what my old merlin looked like - it was a little big for me. Black hubs, silver spokes (black would have looked cool though) and a little bit of red throughout.

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    Sasquatch,

    Have you been following this thread? Some really good info about this very subject. Just substitue "clydesdale" everytime you see "tandem" and "rider" for "team":-)
    Birth Certificate, Passport, Marriage License Driver's License and Residency Permit all say I'm a Fred. I guess there's no denying it.

  13. #13
    Senior Member Hill-Pumper's Avatar
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    Quote Originally Posted by PhotoJoe View Post
    This what you're looking for?

    http://www.bikeforums.net/showthread...ow+me+titanium

    I agree. I think I would like red hubs on my Lynskey, but would probably end up with silver Ultegras.
    You mean red hubs like these.

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    Just Plain Slow PhotoJoe's Avatar
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    Quote Originally Posted by Hill-Pumper View Post
    You mean red hubs like these.
    Yup, That's EXACTOLEEE what I meant! I think red on Ti looks hot. Too bad my Garmin's blue...but then again, I'm not that vain!
    If at first you don't succeed, Skydiving is not the sport for you!

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    Quote Originally Posted by TrojanHorse View Post
    Here's what my old merlin looked like - it was a little big for me. Black hubs, silver spokes (black would have looked cool though) and a little bit of red throughout.
    hot!! And very "70's fit," so just your size, TJ! LOL!

    Quote Originally Posted by Hill-Pumper View Post
    You mean red hubs like these.
    Quote Originally Posted by PhotoJoe View Post
    Yup, That's EXACTOLEEE what I meant! I think red on Ti looks hot. Too bad my Garmin's blue...but then again, I'm not that vain!
    Agreed, PJ--red on Ti is very hot! My Merlin MTB has red Hadley Hubs and accents... and Red can look hot on carbon too! My newly-built Element6 has red bits sprinkled throughout (cables, skewers, alloy bolts, etc):

    [IMG]http://i10.photobucket.com/albums/a1...ps33f84afd.jpg[/IMG]

    Oh, and to stay on track, its sporting the 25c tires we were discussing...
    "I had this baby hand made in Tuscany, from titanium blessed by the pope. It weighs less than a fart, and costs more than a divorce..."

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    Quote Originally Posted by TrojanHorse View Post
    Here's what my old merlin looked like - it was a little big for me. Black hubs, silver spokes (black would have looked cool though) and a little bit of red throughout.
    hot!! And very "70's fit," so just your size, TJ! LOL!

    Quote Originally Posted by Hill-Pumper View Post
    You mean red hubs like these.
    Quote Originally Posted by PhotoJoe View Post
    Yup, That's EXACTOLEEE what I meant! I think red on Ti looks hot. Too bad my Garmin's blue...but then again, I'm not that vain!
    Agreed, PJ--red on Ti is very hot! My Merlin MTB has red Hadley Hubs and accents... and Red can look hot on carbon too! My newly-built Element6 has red bits sprinkled throughout (cables, skewers, alloy bolts, etc):



    Oh, and to stay on track, its sporting the 25c tires we were discussing...
    "I had this baby hand made in Tuscany, from titanium blessed by the pope. It weighs less than a fart, and costs more than a divorce..."

  17. #17
    Senior Member Hill-Pumper's Avatar
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    Quote Originally Posted by PhotoJoe View Post
    Yup, That's EXACTOLEEE what I meant! I think red on Ti looks hot. Too bad my Garmin's blue...but then again, I'm not that vain!
    Oh yea, but I am that vain.



    ...and vain enough to have it mounted in a matching red K-Edge


    Quote Originally Posted by Erwin8r View Post


    Oh, and to stay on track, its sporting the 25c tires we were discussing...
    OK, I'm also running 25c tires on my Lynskey R330.


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    Quote Originally Posted by bigfred View Post
    Sasquatch,

    Have you been following this thread? Some really good info about this very subject. Just substitue "clydesdale" everytime you see "tandem" and "rider" for "team":-)
    ????

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    Probably boring but I am thinking black group with black wheels spokes and hubs

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    Quote Originally Posted by Sasquatch16 View Post
    ????
    "????" The fact that it's in the tandem forum? That it deals primarily with 28mm tires, even though it does a decent job of discussing the 25 vs 28mm sizing discrepencies and debate over advantages of additional width? Or, that you aren't familiar with moving your cursor over a blue hyperlink and left clicking this?
    Birth Certificate, Passport, Marriage License Driver's License and Residency Permit all say I'm a Fred. I guess there's no denying it.

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    I apologise. Late last night and never noticed the hyperlink. Thanks for the information. I am hoping I am going to be happy with the 25c's. I really do not hav a choice unless I buy a new fork.

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    Quote Originally Posted by Sasquatch16 View Post
    I apologise. Late last night and never noticed the hyperlink. Thanks for the information. I am hoping I am going to be happy with the 25c's. I really do not hav a choice unless I buy a new fork.
    Remember the caveat with regard to Michelin 25s. They run larger than a Conti 28.
    Birth Certificate, Passport, Marriage License Driver's License and Residency Permit all say I'm a Fred. I guess there's no denying it.

  23. #23
    Senior Member Notgrownup's Avatar
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    OP, i went fro 23's to 25's and they both held my 245lbs up fine, the 25's are a bit more cushy and i like that shock absorbing capability ....I think 28 would be too big for me unless i was on a Hybrid or a more comfort oriented bike....
    BE THE PERSON YOUR DOG THINKS YOU ARE.....

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    Quote Originally Posted by Notgrownup View Post
    ... 245lbs ....I think 28 would be too big for me unless i was on a Hybrid or a more comfort oriented bike....
    Nonsense.
    Birth Certificate, Passport, Marriage License Driver's License and Residency Permit all say I'm a Fred. I guess there's no denying it.

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    Quote Originally Posted by PhotoJoe View Post
    This what you're looking for?

    http://www.bikeforums.net/showthread...ow+me+titanium

    I agree. I think I would like red hubs on my Lynskey, but would probably end up with silver Ultegras.
    Just spent the last hour drooling. Alot of nice bikes.

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