technically its more aero to have 1 bottle upright on the seattube (as opposed to on the downtube). I bet one bottle on the back of the seatpost isnt too bad either, just looks gay.
@drdingy started
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technically its more aero to have 1 bottle upright on the seattube (as opposed to on the downtube). I bet one bottle on the back of the seatpost isnt too bad either, just looks gay.