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Customising
Your Bike Fit
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By Coach Wendy
In
the sport of triathlon, your bike is often your biggest purchase.
Therefore, it makes sense to maximize your investment and
to ensure that you have purchased the best bike for YOU (eg.
One that suits your budget, the type of triathlon you're doing
and your size). It is equally important that you have the
bike fitted for you.
The above-mentioned
examples are where I have found the most first timers come
unstuck when buying their first bike. Often people spend beyond
their means when purchasing a bike. For first timers, a well
looked after second hand bike can be more than suitable. Sure,
we all like new toys, and regardless of your age there is
something special about getting a new bike. It is very common
for first timers, especially people doing Ironman, to rush
out and buy a bike - often this decision is made very quickly
and it is usually not made as objectively as it could / should
be (yes we all know the red one's go faster but don't get
sucked in to buying it because it "looks" good!!).
The second mistake that
people make is buying a bike where the frame is too big. For
short course tri's, the aerodynamic positioning is less significant
than for the long distance triathlons like the Ironman. Athletes
spend less time on their bikes and therefore the impact of
a reduced efficiency caused through a poor bike fit is far
less pronounced than say a rider having to ride 180km's and
then get off and run a marathon.
Bike fitting, like training, has become an art form in itself.
Techniques have improved and yet when standing on the side
lines or browsing through magazines, we notice a wide variety
of people riding in all sorts of positions. The common denominator
however, is that the athletes that look comfortable and who
can run with ease, have the most aerodynamic bike fit. They
are able to ride at a higher cadence, their backs are flatter,
their arms are relaxed and they seem to spend a long time
on the aero bars
in fact, they make it look easy.
So why then do we see
all these different styles of bike fit and riding positions?
One answer could be that a lot of people have a lot of cycling
experience and in terms of cycling time-lines, the sport of
triathlons is relatively new. My guess is that the old bike
set-ups are still alive and well, but the new ideas are slowly
creeping to the fore.
Usually the retailer
that sold you the bike will offer to set you up on the bike.
As a first timer, you would be normal to think of this as
great service and go ahead and get the bike fit done. Having
had this completed you would then proceed to ride your new
bike and get used to it. In time you would enter a few events
and make friends with other new triathletes and cyclists.
Sooner or later, you bike fit will be questioned as to who
set it up for you and what have you had it set for? Your normal
answer would be "for riding of course"
Ask
yourself, three key questions:
1. Have I got the best
bike fit for both myself and the event I am doing?
2. Did the person setting up my bike, use a cycling or triathlon
model to establish the best position for me?
3. What is the best way to change from one set up to the next?
If the ride section
of your triathlon is going to take you more than 3 hours,
I think you are well advised to ensure that you have the best
bike fit possible - firstly to ensure you can ride efficiently
and secondly that you can get off your bike and run as quickly
as possible.
Changing your bike fit
can take several attempts. During the changing process, athletes
often forget the original positions and then in deciding which
change to make next, valuable information is lost. Outlined
here
are several charts with specific bike data that can make this
process easier and enable you to maintain consistency in your
bike fitting (of course the bike may look slightly different
to yours as the image used is from an Allen speed frame).
The bottom line of a
good bike fit is that you feel comfortable, efficient, and
that you can spend maximum time on your aero bars and equally
important you can get off your bike and run.
If you are going to
invest thousands in a new bike, why not budget an extra hundred
dollars and set aside a couple of hours to ensure your bike
is fitted by a professional triathlon specialist, with a proven
track record for performance.
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