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  1. #1
    Join Date
    Apr 2009
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    Tucson, AZ
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    Help me figure something out.

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    Ordering the CX bike this week. (EEK!)

    Having a hard time with the sizing, though. I thought about getting an extra-small, but one of the mechanics at work thought that that would result in a huge saddle-to-bar drop and that it might be silly without a really long stem, given that I'm not racing this bike. His suggestion was getting a small. The small seems like it would be pretty long for this type of bike, though.

    Thoughts? I'm just under 5'7" with long legs and longish arms. I'm not racing this bike, though I wouldn't be opposed to trying it at some point. This is going to be a "sport utility" bike--I'll be mostly riding it in winter, commuter, backup roadie, occasional off-roading... A 52-53cm top tube is perfect on a regular road bike.

    Here's the geometry chart (click "sizing chart"). If I get the XS, it'll be that bike; there's no geometry difference in the 2013 version, just a color change and some parts. http://www.performancebike.com/bikes...551_1108548_-1
    Last edited by Owlie; 01-08-2013 at 08:17 PM. Reason: Geometry chart would be helpful...
    At least I don't leave slime trails.
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    2009 Giant Avail 3 |Specialized Jett 143

    2013 Charge Filter Apex| Specialized Jett 143
    1996(?) Giant Iguana 630|Specialized Riva


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  2. #2
    Join Date
    Oct 2012
    Posts
    138
    5'7 on an XS?! Wow! Maybe I should reconsider wanting to buy this same bike!

    I have no clue how to help you with this sort of thing... wish I could... I would say you should try to sit on one in person, but I don't know any stores that keep it stocked Stateswise. I hope others can help you with this. Good luck, and I'm excited for your purchase!

  3. #3
    Join Date
    Apr 2009
    Location
    Tucson, AZ
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    Quote Originally Posted by Swan View Post
    5'7 on an XS?! Wow! Maybe I should reconsider wanting to buy this same bike!

    I have no clue how to help you with this sort of thing... wish I could... I would say you should try to sit on one in person, but I don't know any stores that keep it stocked Stateswise. I hope others can help you with this. Good luck, and I'm excited for your purchase!
    How tall are you? Cyclocross bikes in general tend to run big (bottom bracket is up higher), so while it's probably the equivalent of a 46cm bike, it's got the measurements of a 48 or 49 cm frame otherwise. I'm also short-torsoed.
    Let's just say I can get my hands easily on an extra-small (coworker has one), but a small is harder to come by. I have tried their road bike in a size small (same TT and seat tube angle measurements, IIRC) and it could work with a shorter stem, but I'd be more comfortable on their XS, probably.
    At least I don't leave slime trails.
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    2009 Giant Avail 3 |Specialized Jett 143

    2013 Charge Filter Apex| Specialized Jett 143
    1996(?) Giant Iguana 630|Specialized Riva


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  4. #4
    Join Date
    Jul 2012
    Posts
    251
    Quote Originally Posted by Owlie View Post
    How tall are you? Cyclocross bikes in general tend to run big (bottom bracket is up higher), so while it's probably the equivalent of a 46cm bike, it's got the measurements of a 48 or 49 cm frame otherwise. I'm also short-torsoed.
    Let's just say I can get my hands easily on an extra-small (coworker has one), but a small is harder to come by. I have tried their road bike in a size small (same TT and seat tube angle measurements, IIRC) and it could work with a shorter stem, but I'd be more comfortable on their XS, probably.
    Meaning that the shorties around here (like me) would have no chance at finding a CX bike that fit? (Good grief, it was hard enough finding a road bike!)
    "Susie" - 2012 Specialized Ruby Apex, not pink/Selle SMP Lite 209

  5. #5
    Join Date
    Oct 2012
    Posts
    138
    Quote Originally Posted by Owlie View Post
    How tall are you? Cyclocross bikes in general tend to run big (bottom bracket is up higher), so while it's probably the equivalent of a 46cm bike, it's got the measurements of a 48 or 49 cm frame otherwise. I'm also short-torsoed.
    Let's just say I can get my hands easily on an extra-small (coworker has one), but a small is harder to come by. I have tried their road bike in a size small (same TT and seat tube angle measurements, IIRC) and it could work with a shorter stem, but I'd be more comfortable on their XS, probably.
    I'm anywhere from 5'2 to 5'4 depending on the day and the doctor. Gosh, this buying a bike thing just gets more and more complicated, though. How disheartening. Do you know the standover height for the CFA?

    edit: This blog recs the Cross Check for people under 5', and this site and this thread also list possible CX bikes for shorties.
    Last edited by Swan; 01-08-2013 at 11:53 PM.

  6. #6
    Join Date
    Jun 2010
    Posts
    6,476
    At your height, I would seriously consider the medium with a zero-offset seatpost. That will bring you forward either 4 or 5 cm's and make the TT feel significantly shorter.

    Question, have you tried a bike with a 73.5 degree seattube with the typical 20 degree offset seatpost where someone used a plumbob to determine your knee position? Could you have someone do this for you at work?

    The Small has a very steep seat tube, 74.5 (which actually might be good) but that means you may need an extra long stem to compensate, and will have to have the saddle raised more than intended for this size bike to get proper leg extension. That will force your hips to the rear, and make the TT appear too long for your torso.

    I think the reason you are looking at so small a bike may have more to do with having to raise the saddle high for your leg length than because of TT length. That pushes the relative saddle position back quite a lot.

    I think the XS is out of the question, and the S is too small.

    These are my current bike's measurements, and my body measurements from my last fitting. My position is agressive due to HT height, but not overly so. I'm very comfortable. This bike is considered rather small for someone who is 5'7''. It has a small TT with long reach. I'm using a 0 offset seatpost and a 110 mm stem. Effectively bringing me forward. My cleats are all the way back to bring my knees as far forward as possible. It would be good to be even farther forward over the pedals, but the next size smaller would force me to raise the seatpost so much, that I would be even farther back (and make the TT feel too long). The next size larger is too large for my torso, and the seattube too slack, another thing that brings me to the rear. (Next size larger/smaller is only 1.5 cm's, Pina makes a lot of sizes).

    Preferred saddle height is 73 cm's from the center of the bb to the top of the saddle.

    I've had fittings with 3 different fitters. Only 1 suggested the 0 offset seatpost, and he is the only one that actually made it so my bike felt correct.

    Bike Size 51.5
    Size Seat Tube 53.5 (c-t)
    Top Tube 53.5 (TT) (It appears the tt and horizontal top tube on this bike are almost the same, but what is listed is actual, not horizontal)
    Stack 53.1 (S)
    Reach 37.8 (R)
    Head Tube 13.0 (HT)
    Head Tube 72 Angle (HT°)
    Seat Angle 73.7 (ST°)
    Chainstay 40.6(CS)
    Setback 14.5 (SB)

    Me:
    Height: 170 cm
    Ft 26.5
    Ins 84.5
    Tor 58.5
    Arm 58.5
    Sho 43 (Shoulder, not 'shoe' as I was thinking earlier)
    Ha L (I think this means Large size hands for gloves).
    Last edited by Muirenn; 01-09-2013 at 11:24 AM.
    So long as the wheels are still turning, life is good.

    Battswebb

    Pinarello Quattro~CAADX~ Zurich Lemond
    Specialized Romin Saddles

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  7. #7
    Join Date
    Sep 2007
    Location
    Uncanny Valley
    Posts
    14,645
    So test ride your co-worker's XS. You've got enough experience to get a reasonable idea of what fit tweaks might help vs. what's beyond the limits of the frame size.
    Speed comes from what you put behind you. - Judi Ketteler

  8. #8
    Join Date
    Apr 2009
    Location
    Tucson, AZ
    Posts
    4,713
    Tried hers--she had to cut down the seatpost a ton, so there's no way to get an accurate picture with her bike. I've tried the one in the shop (warehouse double-sent her bike). and it's comfortable length-wise, but there's that saddle-to-bar drop that the mechanic was concerned about. I would need a slightly longer stem on it, though.

    I'll talk to my boss and see what he thinks, and see if I can get in touch with my fitter for the measurements.
    At least I don't leave slime trails.
    http://wholecog.wordpress.com/

    2009 Giant Avail 3 |Specialized Jett 143

    2013 Charge Filter Apex| Specialized Jett 143
    1996(?) Giant Iguana 630|Specialized Riva


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  9. #9
    Join Date
    Feb 2012
    Location
    Florida
    Posts
    462
    You, obviously, know best what works for you, and every body is different, but the extra small just seems too small imo.
    2013 Kirk Frameworks JK Special/Selle Anatomica
    2012 Gunnar Sport/Brooks B17
    2001 Calfee Tetra Pro/Selle Anatomica
    1984 Raleigh Sport/Brooks B66

  10. #10
    Join Date
    Jun 2010
    Posts
    6,476
    The more I look at the Charge, the more I like it. Thanks for alerting me to it.

    I do like the Surly Cross Check, but no disc brakes are a problem.

    You said you rode both a few months ago, right? How smooth was the Charge compared to the Surly?
    So long as the wheels are still turning, life is good.

    Battswebb

    Pinarello Quattro~CAADX~ Zurich Lemond
    Specialized Romin Saddles

    Surly Krampus!

  11. #11
    Join Date
    Sep 2007
    Location
    Uncanny Valley
    Posts
    14,645
    If the XS is comfortable length-wise, I don't know that you're really going to want a larger frame. Since you'll be ordering the frame anyway, what about getting the fork uncut? It won't be the prettiest thing if you have to leave the steerer tube ridiculously long, but it'll let you cut it to your own size rather than making compromises with the stem.
    Speed comes from what you put behind you. - Judi Ketteler

  12. #12
    Join Date
    Apr 2009
    Location
    Tucson, AZ
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    I got to take the XS out today again, this time for longer, though it was a bit of a challenge staying out of the puddles.

    Actually riding it, I felt a little scrunched, The other, bigger issue was that I couldn't get the saddle as far back as I needed it on that bike (didn't help that the stock saddle has relatively short rails). I talked to the mechanic about the possibility of a medium with a zero-offset seatpost, and he thinks that it's a wash as to whether it would work or not.

    On the Charge vs. Surly: I didn't notice a difference in ride quality, but it might be different if you were on something like chip-seal.
    Last edited by Owlie; 01-09-2013 at 04:48 PM.
    At least I don't leave slime trails.
    http://wholecog.wordpress.com/

    2009 Giant Avail 3 |Specialized Jett 143

    2013 Charge Filter Apex| Specialized Jett 143
    1996(?) Giant Iguana 630|Specialized Riva


    Saving for the next one...

  13. #13
    Join Date
    Jul 2003
    Location
    Traveling Nomad
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    6,662
    It seems to me that if a 5'7" tall woman needs an XS, something is seriously wrong!

    Then again, I don't know anything about Cross bikes. I'm only 5'2" and usually need XS in everything, so it's just unfathomable to me...

    But whatever works!
    Emily

    2011 Jamis Dakar XC "Toto" - Selle Italia Ldy Gel Flow
    2007 Trek Pilot 5.0 WSD "Gloria" - Selle Italia Diva Gel Flow
    2004 Bike Friday Petite Pocket Crusoe - Selle Italia Diva Gel Flow

  14. #14
    Join Date
    Apr 2009
    Location
    Tucson, AZ
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    Emily, I agree with you! (Though there are a few companies, like GT, that run huge!)
    At least I don't leave slime trails.
    http://wholecog.wordpress.com/

    2009 Giant Avail 3 |Specialized Jett 143

    2013 Charge Filter Apex| Specialized Jett 143
    1996(?) Giant Iguana 630|Specialized Riva


    Saving for the next one...

  15. #15
    Join Date
    Aug 2012
    Location
    Fayetteville
    Posts
    9

    Help me figure something out.

    I'm in a similar boat. I'm 5'5" and currently have a WSD XS road bike. I'm still not sure that its the right size (looks small, but feels alright), but with my short torso and longer legs the LBS thinks it's the best choice for me. I think it just makes it harder for me to decide on which size TCX W to get.

    Good luck with your decision. I'm going to keep an eye on this thread for some tips I can follow.
    2012 Giant TCX W

 

 

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