Endurance gravel / CX bike - reach and stack

Discussion in 'Bikes and Buying Advice - What Bike?' started by pclay, 30 Jan 2018.

  1. pclay

    pclay Über Member

    Location:
    Rugby
    I currently have a CX bike 58cm, which I suspect is sightly too small for me, or is too aggressive. I say this because after riding it, I get terrible neck pain and shoulder pain which lasts for a few days afterwards.

    CX bike:
    Reach 395
    Stack 589
    head tube length 165

    In comparison, when I ride my Cannondale synapse 58cm, it's like getting back into an old armchair, its so comfy.

    Synapse:
    Reach 392
    Stack 618
    Head tube length 208

    The stack of the CX bike is lower than the road bike, hence the handlebars are lower. its more bum up,head down, and i think its this which gives me problems. the handlebars cannot be raised any more.

    I am looking to replace my CX bike with something else, but this is where I get a bit stuck. I am looking for a bike with similar geometry to my Synapse, with disc brakes whaich can take around 35-40mm tyre.

    I was looking at a Croix de Fer frameset in Large size, and the geometry chart for this is almost identical to the Synapse:

    Croix de Fer:
    Reach 395
    Stack 612
    Head tube length 175

    The head tube lenght of the CdF is less than the synapse, and all online reach and stack calculators do not agree with the published stack of the CdF.

    Is the CdF a relaxed bike, and is it a close match to the Synapse? How can the stack be almost the same if the headtube is almost 35mm shorter?

    What endurance gravel bikes are out there?

    Thanks
     
  2. vickster

    vickster Legendary Member

    Other gravel bikes...
    GT Grade
    Specialized Diverge
    Pinnacle Arkose
    Marin Gestalt
    Giant Anyroad

    http://www.cyclingweekly.com/news/latest-news/adventure-road-and-gravel-bikes-a-buyers-guide-187448

    http://road.cc/content/buyers-guide/217893-18-best-2018-gravel-adventure-bikes-—-super-versatile-bikes-are-home

    This says about the CdF...maybe the 2018 geo is different to earlier years (I dk what you're looking at)

    British brand Genesis was doing adventure road bikes long before it became the latest trend, and the most recent changes to the Croix de Fer - a lower bottom bracket and taller head tube - took it further away from its cyclo-cross roots and closer to an adventure bike. And is there any adventure bigger than riding around the world? That's something that Vin Cox did in 2010, setting a new record in the process, aboard a Croix de Fer. Steel frames feature across the range with a choice of steel or carbon forks, plus disc brakes, external cable routing and eyelets for racks and mudguards.

    I always look at headtube height rather than

    @steveindenmark has a recent TDF I think and speaks favourably of it

    Go to Evans and get some test rides maybe?

    Assume you've flipped the stem, tried a longer stem or more angled on the CX etc,
     
  3. Nibor

    Nibor Über Member

    Location:
    Accrington
    My research on the matter
     

    Attached Files:

    pclay and vickster like this.
  4. vickster

    vickster Legendary Member

    Looks like the Anyroad and Arkose are most generous in the head tube department :smile:
     
  5. I like Skol

    I like Skol Hold my beer and watch this..........

    Location:
    Ashton-under-Lyne
    upload_2018-1-30_11-59-34.png
    THIS ^^^^^

    It seems a bit extreme to change bikes just to move the handlebars a bit! However, the size chart for the GT Grade above and it is much reduced at the moment - RUTLAND CYCLES 56cm & 58cm for £1325 at the moment......
     
  6. I like Skol

    I like Skol Hold my beer and watch this..........

    Location:
    Ashton-under-Lyne
    I run my 58cm Grade with a shorter stem flipped down and slammed. All the spacers are above the stem.
     
  7. Nibor

    Nibor Über Member

    Location:
    Accrington
  8. vickster

    vickster Legendary Member

  9. OP
    OP
    pclay

    pclay Über Member

    Location:
    Rugby
    Thanks. a had thought about a steerer extender, but my steerer is carbon, so its not recommended to use an extender. I had thought about getting some new forks (existing have been cut by 50mm - assuming 300mm steerer). I was thinking of the Genesis Croix de Fer as a frame set, and transferring everything across.

    Thanks you @Nibor, that's very useful info.
     
  10. Nibor

    Nibor Über Member

    Location:
    Accrington
    you can get teh arkose as a frameset too at certain times of year
     
  11. MichaelW2

    MichaelW2 Über Member

    The problem with geometry charts is the angles. They are hard to measure and may not agree with the specs. Better to use [x,y] coordinates to fix your points of contact is space. I use the bottom bracket as [0,0], mark x=0 on the top tube and away you go.
     
  12. C.J

    C.J Active Member


    I usually divide the stack by the reach, for a less aggressive position you want it to be over 1.5.
    If you look at the GT Grade that is nearly 1.7 so fairly upright.

    And the stack / head tube question have you looked at the length of the forks.

    C J.
     
    SpokeyDokey likes this.
  13. woodenspoons

    woodenspoons Senior Member

    Location:
    North Yorkshire
    Surely a new set of forks will get you a more suitable CX ride? Or am I missing something?
     
  14. OP
    OP
    pclay

    pclay Über Member

    Location:
    Rugby
    That's the other option I was thinking of. I can get some new forks from Planet X (London Road forks £99), and assuming the steerer will be 300mm long, would raise the bars suitably.
     
    Last edited: 30 Jan 2018
  15. OP
    OP
    pclay

    pclay Über Member

    Location:
    Rugby
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