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What is that thing on my brakes?(10 posts)

What is that thing on my brakes?Thaddeus
Aug 13, 2002 11:34 AM
Not being new to cycling, I would like to think that I have a fairly broad knowledge base, however there is one thing I don't get.

What is the purpose of the small, triangular piece of metal/plastic located at an angle below my brake pads? (a rather poor description, I know) What does it do? Shed water? Prevent dirt/water from spraying up? What????

In the below photo, they are metal below the brake pads.

Supposed to guide the tire into the brake...brider
Aug 13, 2002 11:39 AM
in the case of a wheel change.
Supposed to guide the tire into the brake...Thaddeus
Aug 13, 2002 11:49 AM
Are you serious?

That sounds simple enough to be true...

and I feel like an idiot for not coming up with that on my own.

I have to say, though, I don't think I have ever needed guides to help with wheel installation...

how many grams could they save by getting rid of it? ;) (nm)ColnagoFE
Aug 13, 2002 12:16 PM
In my weight weenie days I actually did this. sheesh. nmDougSloan
Aug 13, 2002 12:24 PM
how many grams could they save by getting rid of it? ;) (nm)alansutton
Aug 13, 2002 12:29 PM
maybe 2 grams.
...AKA... Brake Euvula...Akirasho
Aug 13, 2002 11:50 AM
... also handy for gripping and adjusting brakes.

We abide.

Remain In Light.
...AKA... Brake Euvula...Thaddeus
Aug 13, 2002 12:34 PM
I buy this explanation a bit more than the 'tire guide' from above.

However, both work for me.

I would prefer to refer to them as

'directional stability-fins'


'air-flow steering assistance'

i added them to my old weinemans 20years agopukka
Aug 13, 2002 12:39 PM
to make em look more like the pros,they were called wheel guides then
The REAL answer...funknuggets
Aug 13, 2002 2:18 PM
Wheel guides?... come on, we ALL know that they are heat-transfer cooling fins to reduce the heat generated from excessive braking...