Water Bottle Placement

Discussion in 'General Cycling Discussions' started by TechMech, 29 Jul 2012.

  1. TechMech

    TechMech Senior Member

    I've tried searching the forums for this, but came up with nothing (maybe I'm putting in the wrong words?)

    Anyway, I was wondering if you must take a water bottle on a bike and you want it to be as aero as possible, what would be the best place to put it?

    A) On the down tube, so that it's kinda pointing into the air flow
    B) On the seat post, so that it's standing vertical and the air can break around the round face
    C) It doesn't really matter
  2. Dave 123

    Dave 123 Guru

  3. Eddie

    Eddie Well-Known Member

    Looking at time trial bikes, which is the only time that aero would make a big difference, it doesn't seem to make a difference. I've seen the bottle in both positions. Although I've sometimes seen bottles mounted on the saddle - no idea if this is for aero reasons.
  4. screenman

    screenman Legendary Member

    Buy an aero bottle.
  5. If I'm using one bottle it goes on the down tube as I can access it easier from there on the move; I doubt it makes much difference to the aerodynamics other than I have to sit up more and fidget more if its on the seat tube.
  6. you have too much time on your hands...
    Maylian likes this.
  7. wealthysoup

    wealthysoup Active Member

    I'm the exact opposite of this, to the extent that if I have 2 bottles I will swap the empty and full one round if I'm stopped (one I drink from stays on the seat tube)

    Edit: if I had to choose I would say the down tube position would be more aerodynamic, although, really I don't think it would make any measurable difference
  8. ohnovino

    ohnovino Large Member

    D) On the downtube to shift the centre of gravity forward
  9. DiddlyDodds

    DiddlyDodds Random Resident

    The words "truly clutching at straws" comes to mind.
  10. Rob3rt

    Rob3rt Man or Moose!

    E) Behind the saddle or in a special bottle designed to fit your specific frame.

    But its a ridiculous endeavour as the difference will be so marginal, that someone who spends much time thinking about these kind of things and searching internet forums for the answers will never take advantage off, including myself!
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