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Noisy disc brake

paulbnixpaulbnix Posts: 628
edited February 2018 in Road general
I couldn't resist a massive discount and bought a 2016 Synapse. My first disc braked bike.

I took it out today and was surprised by the quite loud brrrr sound from the front when braking - it didn't seem to affect the efficiency.

I then had a look at the front disc and it looks to be more air than metal. I assume the noise is the pads vibrating a bit as the slivers of metal pass between them.

Is this likely to be the explanation or might I have a problem?

The rear disc is a 140 and has more metal than air and is, as far as I can tell, silent.



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