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  1. #1
    Join Date
    Dec 2010
    Location
    Boise Idaho
    Posts
    1,162
    ok, I just have to chime in. Just got back from riding 35 miles on my 650B X 2 inch Grand Bois Hetre's - average speed just under 16mph on my all steel touring bike (unloaded), no tailwind, no drafting. I am an average 56 year old bike rider.
    HUGE smile on my face. Our roads are all chip seal. I can't imagine riding a 23cm tire, ever. Even the pro's ride at least a 25cm and sometimes a 28cm in road races.
    For me, comfort, no pinch flats, no getting bucked off at the slightest bump or pot hole.
    I hope you decide on at least a 25cm and hopefully a 28cm.

    Feel free to go read the Schwalbe website about speed and tire width and rolling resistance. OH and go have fun
    Sky King
    ____________________
    Gilles Berthoud "Bernard"
    Surly ECR "Eazi"
    Empowering the Bicycle Traveler
    biketouringnews.com

  2. #2
    Join Date
    Apr 2011
    Location
    perpetual traveler
    Posts
    1,267
    Quote Originally Posted by Sky King View Post
    ok, I just have to chime in. Just got back from riding 35 miles on my 650B X 2 inch Grand Bois Hetre's - average speed just under 16mph on my all steel touring bike (unloaded), no tailwind, no drafting. I am an average 56 year old bike rider.
    HUGE smile on my face. Our roads are all chip seal. I can't imagine riding a 23cm tire, ever. Even the pro's ride at least a 25cm and sometimes a 28cm in road races.
    For me, comfort, no pinch flats, no getting bucked off at the slightest bump or pot hole.
    I hope you decide on at least a 25cm and hopefully a 28cm.

    Feel free to go read the Schwalbe website about speed and tire width and rolling resistance. OH and go have fun
    I would like to get 25s for my Madone that also has 650 wheels. But I can't seem to find the Continental GP4000s in that size, only the 23s. Any other good tires to recommend?

    (If you are average I am very below average. Which I guess I am for a rider that rides quite a bit.)
    Trek Madone 4.7 WSD
    Cannondale Quick4
    1969 Schwinn Collegiate, original owner
    Terry Classic


    Richard Feynman: “The first principle is that you must not fool yourself and you are the easiest person to fool.”

  3. #3
    Join Date
    Dec 2010
    Location
    Boise Idaho
    Posts
    1,162
    [QUOTE=goldfinch;642567]I would like to get 25s for my Madone that also has 650 wheels. But I can't seem to find the Continental GP4000s in that size, only the 23s. Any other good tires to recommend?

    you aren't below average silly, you just need a NEW BIKE - KIDDING

    okay I did some research, Terry makes a 650C in 28mm. Not finding any 650C in a 25. TELLUS TT TIRE 650 X 28C (28-571)by terry MSRP is $45.

    To determine if they would fit, measure the clearance (where your tire goes thru the frame) Look at your existing tires and see how much room you have
    on the front fork and two spots on the frame on the rear (where the tire passes thru) The bike hermit is thinking you'd want to have 32 mm at bare minimum to fit a 28 mm.
    Typically tires will measure slightly smaller than stated - around 26 mm as opposed to 28 mm.

    Hope that helps, how frustrating to be limited to only a 23mm.
    Sky King
    ____________________
    Gilles Berthoud "Bernard"
    Surly ECR "Eazi"
    Empowering the Bicycle Traveler
    biketouringnews.com

  4. #4
    Join Date
    Apr 2011
    Location
    perpetual traveler
    Posts
    1,267
    [QUOTE=Sky King;642698]
    Quote Originally Posted by goldfinch View Post
    I would like to get 25s for my Madone that also has 650 wheels. But I can't seem to find the Continental GP4000s in that size, only the 23s. Any other good tires to recommend?

    you aren't below average silly, you just need a NEW BIKE - KIDDING

    okay I did some research, Terry makes a 650C in 28mm. Not finding any 650C in a 25. TELLUS TT TIRE 650 X 28C (28-571)by terry MSRP is $45.

    To determine if they would fit, measure the clearance (where your tire goes thru the frame) Look at your existing tires and see how much room you have
    on the front fork and two spots on the frame on the rear (where the tire passes thru) The bike hermit is thinking you'd want to have 32 mm at bare minimum to fit a 28 mm.
    Typically tires will measure slightly smaller than stated - around 26 mm as opposed to 28 mm.

    Hope that helps, how frustrating to be limited to only a 23mm.
    Thanks Sky, I'll measure for clearance.

    EDIT: nope, not going to fit
    Last edited by goldfinch; 06-18-2012 at 09:12 AM.
    Trek Madone 4.7 WSD
    Cannondale Quick4
    1969 Schwinn Collegiate, original owner
    Terry Classic


    Richard Feynman: “The first principle is that you must not fool yourself and you are the easiest person to fool.”

  5. #5
    Join Date
    Dec 2010
    Location
    Boise Idaho
    Posts
    1,162
    [QUOTE=goldfinch;642711]
    Quote Originally Posted by Sky King View Post

    Thanks Sky, I'll measure for clearance.

    EDIT: nope, not going to fit
    crap, if I come across anything I will PM you.
    Sky King
    ____________________
    Gilles Berthoud "Bernard"
    Surly ECR "Eazi"
    Empowering the Bicycle Traveler
    biketouringnews.com

  6. #6
    Join Date
    Sep 2013
    Location
    Montreal, QC
    Posts
    764
    An old thread but it may do just the same instead of inventing the wheel. hihi

    As recommended here somewhere on the forum for me, I am going to change my 23mm tires for some 25mm.

    I called my LBS to see what they recommended for my Kuota's wheels (I have Amercican Classi Aero 420 wheels)
    http://www.amclassic.com/en/products...els/420-aero-3

    They said what is left in stock are the Roubaix Armadillo Elite at $80Cdn and the Armadillo All condition at $70. I will certainly shop on line before as prices are always a lot, even with the 15% rebate I get (it only covers our taxes here).

    Now, I'm looking for comfort, grip and better control on my bike. I don't care much for speed, tight corners, etc. He said both are good but in my case, the all around would do just the same. The Elite is foldable. That would be the main difference.

    I printed the specs of both tires and I don't understand all of it. ie. casing of Elite is 120tpi vs 60 for the all condition.

    So which one would you opt to purchase for what I am looking for? Or would it be something different?

    Price is not really an issue (although money does not grow on tree) as I like to have the best quality/value for the $ possible.

    Thank you very much.

  7. #7
    Join Date
    Feb 2010
    Location
    Michigan
    Posts
    477
    I just bought some Continental GP 4000S for a great deal--got 2 for $80. Plan to use them with my new custom wheel set when it arrives, I heard great things about these tires.
    2012 Trek Lexa SL
    2012 Giant TCX2
    2015 Trek Remedy 7
    2016 Trek Lexa C
    2016 Specialized Hellga-Fat Bike

 

 

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