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-   -   Noise pollution (brake squealing) (https://forums.thepaceline.net/showthread.php?t=305964)

rogerspam 04-14-2024 03:14 PM

Noise pollution (brake squealing)
 
I've thoroughly enjoyed my new bike experience--mainly the feeling of free speed of deeper profile carbon rims (BTLOS). However, the sounds with harder braking going downhill :eek:.... is this just the price you have to pay for the fun?

I have eeBrakes on BLTOS arc groove rims. New rims when I got them.
I've switched brake pads ( I'm currently using ZIPP after starting with Campy Red) and slightly adjusted the positioning, cleaned rim and pads--not much difference noted. Have a couple other options to try (thanks to a fellow PLer who had some different carbon rim pads). The stopping power is fine but the amount of squeal is disconcerting at times and I feel "bad" making so much noise.

Previously was riding Fulcrum aluminum rims/Shimano brakes and pads as a comparison.

mcteague 04-14-2024 04:05 PM

Toe in your brake pads. Use a business card under the front of the pad, maybe fold it in half if more toe in is needed.

Tim

parallelfish 04-14-2024 04:15 PM

Quote:

Originally Posted by mcteague (Post 3372977)
Toe in your brake pads. Use a business card under the front of the pad, maybe fold it in half if more toe in is needed.

Tim

Card under REAR of pad

mcteague 04-15-2024 06:31 AM

Quote:

Originally Posted by parallelfish (Post 3372980)
Card under REAR of pad

Doh! :crap:

Tim

sg8357 04-15-2024 07:12 AM

Quote:

Originally Posted by rogerspam (Post 3372960)
I've thoroughly enjoyed my new bike experience--mainly the feeling of free speed of deeper profile carbon rims (BTLOS). However, the sounds with harder braking going downhill :eek:.... is this just the price you have to pay for the fun?[snip]

That's a feature not a bug, warns pedestrians and cyclists.
Uncheck MAFAC compatibility when ordering the wheels
if you don't like it. :)

Epicus07 04-15-2024 08:36 AM

I like to use a small washer and a thin strip of electrical tape so I can have both hands to adjust pad angle and tighten etc. especially with canti setup it is helpful.

rogerspam 04-15-2024 11:02 PM

Initial adjustment results are promising--less squeal with hard braking on the flats. Will have to do actual downhill testing this weekend.

It turns out Christopher Walken was right--more toe-in than I thought was needed. Using tape is a good tip.

https://giphy.com/gifs/christopher-w...-yiXUxfMnJgdfW


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