Anyone who rides a road or Drop Bar bicycle regularly has, at one time or another, thought of bolting on a set of aero-bars. For some it is an idea born on a ride but dismissed before the brake pads have cooled. For others, it is tried and met with lackluster results and, for a few, a turning point in comfort and performance.
The following guidelines and
advice is for those of you thinking of taking the aero plunge or who have a set
of bars on their bike and are not sure how to set them up. Before we begin I will
say that there are a couple of ways to approach aero set-up. For a' Time Trial'
professional or specialist it is going to be very different from the way we fit
and position bars for the casual or club rider. It is the latter that I shall concentrate
on here.
Firstly, I often see bars that
people have positioned after reading a magazine or following strict parameters
used by Time Tail experts. Unless you are training exclusively for the TT
discipline, do not set your bars this way. The aim should be for you to transition
from drops to aero without a drastic change to your upper body position. One of
the biggest problems is the elbow and hip height. This is often quoted in
articles as a golden rule. It kinda' is if you're Bradley Wiggins however, for
us mere mortals, it is not so important. If, after installing the bars and
setting them up you find that your hips are in line with your elbows, then
great. But, if your natural road bike position is comfortable in a higher front
end do not change that to
achieve a lineup of hips and elbows. You will lose more than you will gain.
So where to
start, well bar choice is important, there are hundreds of bars and designs on
the market and all of them have their merits. But and it is a big but, most of
them are not going to work for you and here is why; Adjustability. You need a bar
with a wide range of adjustment and also, you still need to be able to ride
using the drops and, I bet you like to ride the bar tops and hoods once in a
while, that means the arm rests need to flip up when not in use. We like the
profile Design bars for these reasons.
You will want to set the cups
behind the handlebars and set the angles to comfortably cradle your forearms in
their natural position, do not draw in your shoulders and arms to match the
cups, this will restrict your airflow.
The length of the aero-bars should be
set so that when using them your head, neck and back position remain more or
less the same as when you are in the drops. Lastly, try to set the angle of the
extensions somewhat neutral. Bars that tilt up steeply from the elbow to the
hands put unnecessary pressure on the spine and neck, keeping them level or
even tilted down, will remove that issue.
The extensions on most bars will usually end up being
just a little past the furthest point of you brake levers.0
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