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  (#1)
Signed up for Track Days!
 
Kink's Avatar
 
Posts: 251
Join Date: April 15, 2004
Location: md
January 10, 2005, 01:39 PM

Why do racers put a wrist band on the Brake Reservoir?
Is there something it does of use?
Or was it just a place to put it, like girls putting scrunchies on their wrists?


Anyone know?

I was watching this movie: Faster, Faster... its more of a documentary about MotoGP... and I kept seeing the wrist band on the reservoir... so i was curious.


BTW... Really cool movie for those of us that don't know much about it.


Sara

wtf mate?
04 FZ6
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  (#2)
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Posts: 117
Join Date: October 22, 2004
Location: Arlington, Va.
January 10, 2005, 01:43 PM

It's not a wrist band but looks like one. It's put over the brake reservoir to keep sunlight from breaking down the brake fluid, as brake fluid is very photo sensitive.

Mark


Quote:
Originally Posted by newninjagirl
Why do racers put a wrist band on the Brake Reservoir?
Is there something it does of use?
Or was it just a place to put it, like girls putting scrunchies on their wrists?


Anyone know?

I was watching this movie: Faster, Faster... its more of a documentary about MotoGP... and I kept seeing the wrist band on the reservoir... so i was curious.


BTW... Really cool movie for those of us that don't know much about it.


You guys ride? 495? Ox Road??
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  (#3)
GP Champ
 
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Posts: 2,014
Join Date: October 15, 2003
Location: I should have my own website
January 10, 2005, 03:31 PM

I was wondering why my summer fluid change only lasted 2 months of hard riding. Damn it.


'00 Kawasaki Ninja ZX6-R
'03 Honda XR100R
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  (#4)
Got Any Gwapes?
 
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Join Date: December 19, 2003
Location: Rockville
January 10, 2005, 04:16 PM

Quote:
Originally Posted by MAURRRK
It's not a wrist band but looks like one. It's put over the brake reservoir to keep sunlight from breaking down the brake fluid, as brake fluid is very photo sensitive.

Mark


Quote:
Originally Posted by newninjagirl
Why do racers put a wrist band on the Brake Reservoir?
Is there something it does of use?
Or was it just a place to put it, like girls putting scrunchies on their wrists?


Anyone know?

I was watching this movie: Faster, Faster... its more of a documentary about MotoGP... and I kept seeing the wrist band on the reservoir... so i was curious.


BTW... Really cool movie for those of us that don't know much about it.
Mark uses the wristbands while flogging the dolphin...he's a marine biologist


"I didn't know they gave out rings at the Holocaust"

*GODFATHER*
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  (#5)
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Join Date: October 22, 2004
Location: Arlington, Va.
January 10, 2005, 04:41 PM

How did you know about my mammalian excursions?


You guys ride? 495? Ox Road??
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  (#6)
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Join Date: September 29, 2002
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January 10, 2005, 04:52 PM

They are wristbands and they're used to soak up the fluid when it heats up, expands, and oozes its way out of the reservoir.


'08 MARRC Expert Racer of the Year
2009 #3 Combined Overall Championship

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  (#7)
Ex-racer TURNED Post Whore
 
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Join Date: October 6, 2004
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January 10, 2005, 04:54 PM

Quote:
Originally Posted by SVbadguy
They are wristbands and they're used to soak up the fluid when it heats up, expands, and oozes its way out of the reservoir.
Aren't the gaskets supposed to stop the fluid from doing that?
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  (#8)
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January 10, 2005, 05:04 PM

Quote:
Originally Posted by Christa525
Aren't the gaskets supposed to stop the fluid from doing that?
Harleys have gaskets too............


'08 MARRC Expert Racer of the Year
2009 #3 Combined Overall Championship

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  (#9)
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January 10, 2005, 05:10 PM

Quote:
Originally Posted by SVbadguy
Quote:
Originally Posted by Christa525
Aren't the gaskets supposed to stop the fluid from doing that?
Harleys have gaskets too............
Huh? Yeah, and they also don't have translucent master cylinders for the brake fluid. Which is probably why you don't see many (any?) "wristbands" on Harleys....

I am assuming that you meant the "wristband" would stop the brake fluid from dripping if the gasket were to fail during a race. I will go along with that but it is definately not the primary use for them.


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  (#10)
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January 10, 2005, 06:00 PM

I see the Harley commet went over your head

Why would fluid breakdown be of concern on a racebike which has its fluid changed every weekend? Why not just use a billet reservoir or even just wrap it with tape?


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  (#11)
You meet the nicest
 
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January 10, 2005, 06:16 PM

I think it's like the scrunchy thing


BECAUSE I GET OFF ON IT!
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  (#12)
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January 10, 2005, 07:07 PM

Quote:
Originally Posted by WKDBLD
I think it's like the scrunchy thing
Yours is pink, isn't it Jim?


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  (#13)
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January 10, 2005, 08:15 PM

Quote:
Originally Posted by ClemsonJeeper
Quote:
Originally Posted by WKDBLD
I think it's like the scrunchy thing
Yours is pink, isn't it Jim?


BECAUSE I GET OFF ON IT!
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  (#14)
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January 10, 2005, 08:40 PM

Quote:
Originally Posted by SVbadguy
I see the Harley commet went over your head

Why would fluid breakdown be of concern on a racebike which has its fluid changed every weekend? Why not just use a billet reservoir or even just wrap it with tape?
Travis, please excuse the low intelligence exhibited by myself during my misinterpretation of your 4 word response. I'll try my hardest to preclude it from occurring thenceforth.

Not that it matters anyway, because this whole discussion is moot as itís a practice that's not used anymore. Itís something that race teams used almost 10 years ago as a sort of overprotective measure to prevent fluid heating and breakdown by the sun. I have also heard from some people that it was used to prevent water condensation on the outside of the cylinder though I donít totally understand how that would work.

Cheers.


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  (#15)
Loves Sporking
 
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Join Date: May 21, 2003
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January 10, 2005, 09:22 PM

Quote:
Originally Posted by SVbadguy
They are wristbands and they're used to soak up the fluid when it heats up, expands, and oozes its way out of the reservoir.
If used properly, wristbands are an effective prevention method. However, it isn't advisable to rely exclusively on wristbands. In the event of failure, it is still possible for fluid to leak from the reservoir... and, consequently... into the vagina.


Johnny V.
CCS & ASRA #67

2006 Suzuki GSX-R1000
2004 Suzuki GSX-R600 (racing)
2004 Aprilia 1000 Mille R (street)
2001 Aprilia 1000 Falco (street)
2001 Suzuki GSX-R600 (racing)
1995 Kawasaki ZX-6E (street and racing)
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