Water bottle cage location:

Steve Leuty · May 16, 2003

Got a question. I see that most (if not all road bicycle racers) have water bottle cages mounted on
the frames of bikes. I've also seen cages mounted under the saddle. What is the difference and is
there really a benefit either way. I know that it's easier to reach for the bottles on the frame but
that is all. I've used both set ups and once I got used to the under the saddle style, it was quite
easy to reach for the bottles. Any advice?

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J999w · May 17, 2003

In the OLD days (1980's) for a short time it was _cool_ to strap your spare waterbottle under the
saddle with a toe strap. Then we learned that it made it a lot harder to rock the bike from side
to side when climbing or sprinting, and it was an easy place to grab during a sprint to balk
another rider !

jw wb9uai

Serge · May 17, 2003

Bottle mounts behind the saddle are used for time trials and triathlones - -this is more
aerodynamic. Frame mounts are better for road racing - better bike hanling uphill and downhill, easy
"grab and push" after wheel replacement, ets.

John Forrest To · May 17, 2003

"Serge" <[email protected]> wrote in message
news:[email protected]...
> Bottle mounts behind the saddle are used for time trials and triathlones - -this is more
> aerodynamic.

How do you know it's more aerodynamic?

JT

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Tim Mullin · May 17, 2003

"John Forrest Tomlinson" <[email protected]> wrote in message
news:[email protected]...
> "Serge" <[email protected]> wrote in message
> news:[email protected]...
> > Bottle mounts behind the saddle are used for time trials and triathlones - -this is more
> > aerodynamic.
>
> How do you know it's more aerodynamic?

Because every time you hit a decent bump, most behind-the-saddle mounts

less drag, and less weight, too. Kinda sucks on a long ride on a hot day, though....

Hawke · May 17, 2003

"John Forrest Tomlinson" <[email protected]> wrote in message
news:[email protected]...
> "Serge" <[email protected]> wrote in message
> news:[email protected]...
> > Bottle mounts behind the saddle are used for time trials and triathlones - -this is more
> > aerodynamic.
>
> How do you know it's more aerodynamic?

Sailors and some cyclists are aware of an effect called "apparent wind".

What happens is that when you go faster you create your own wind and the wind direction moves
forward towards the bow.

Sailors take advantage of this by pointing their boats higher and triming their sails with
the sheets.

Cyclists can enjoy this advantage by having two water bottles on the frame which create a
"sail" effect.

Hawke

Stewart Fleming · May 17, 2003

John Forrest Tomlinson wrote:

> "Serge" <[email protected]> wrote in message
> news:[email protected]...
> > Bottle mounts behind the saddle are used for time trials and triathlones - -this is more
> > aerodynamic.
>
> How do you know it's more aerodynamic?
>

It certainly isn't in a crosswind.

Bob Schwartz · May 18, 2003

Steve Leuty <[email protected]> wrote:
> [ on the frame or under the saddle?]

http://www.analyticcycling.com/RiderAeroStudy.html

Bob Schwartz [email protected]

Steve Leuty · May 18, 2003

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Nice data. I've decided to mount the bottles on the frame. That's where I've been mounting them any
way. I've always wondered though. Thanks. Steve Leuty

Bob Schwartz wrote:

>Steve Leuty <[email protected]> wrote:
>
>
>>[ on the frame or under the saddle?]
>>
>>
>
>http://www.analyticcycling.com/RiderAeroStudy.html
>
>Bob Schwartz [email protected]
>
>

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title></title>
</head> <body> Nice data. I've decided to mount the bottles on the frame. That's where I've been
mounting them any way. I've always wondered though. Thanks. Steve Leuty Bob
Schwartz wrote: <blockquote type="cite" cite="[email protected]"> <pre
wrap="">Steve Leuty <a class="moz-txt-link-rfc2396E"
href="mailto:[email protected]"><[email protected]></a> wrote: </pre> <blockquote
type="cite"> <pre wrap="">[ on the frame or under the saddle?] </pre> </blockquote> <pre
wrap=""> <a class="moz-txt-link-freetext" href="http://www.analyticcycling.com/RiderAeroStud-
y.html">http://www.analyticcycling.com/RiderAeroStudy.html</a>

Bob Schwartz <a class="moz-txt-link-abbreviated" href="mailto:[email protected]">[email protected]</a>
</pre> </blockquote> </body> </html>

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J999w · May 19, 2003

>> [ on the frame or under the saddle?]
>
>http://www.analyticcycling.com/RiderAeroStudy.html
>
>Bob Schwartz
>

Where's the legend for each graph? How do we know which line represents what?

jw

Steve Leuty · May 22, 2003

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Steve Leuty

J999w wrote:

>>>[ on the frame or under the saddle?]
>>>
>>>
>>http://www.analyticcycling.com/RiderAeroStudy.html
>>
>>Bob Schwartz
>>
>>
>>
>
>Where's the legend for each graph? How do we know which line represents what?
>
>jw
>
>

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http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"> <title></title> </head> <body>

Steve Leuty J999w wrote: <blockquote type="cite"
cite="[email protected]"> <blockquote type="cite"> <blockquote
type="cite"> <pre wrap="">[ on the frame or under the saddle?] </pre> </blockquote> <pre wrap=""><a
class="moz-txt-link-freetext" href="http://www.analyticcycling.com/RiderAeroStudy.html">http://www.-
analyticcycling.com/RiderAeroStudy.html</a>

Bob Schwartz

</pre> </blockquote> <pre wrap=""> Where's the legend for each graph? How do we know
which line represents what?

jw </pre> </blockquote> </body> </html>

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Serge · May 23, 2003

"John Forrest Tomlinson" <[email protected]> wrote in message
news:<[email protected]>...
> "Serge" <[email protected]> wrote in message
> news:[email protected]...
> > Bottle mounts behind the saddle are used for time trials and triathlones - -this is more
> > aerodynamic.
>
> How do you know it's more aerodynamic?
>
> JT

Actually, I am guessing. There were "aero" bike saddles with protusion back, right where the bottles
are, they got quickly outlawd by FIRC.

I think the whole trend started with "aero" triathlone bikes with NO place for conventional water
cage, and then the "areo" fad followed.

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