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[ticobrahe]

Anybody know what this sound is? Too much brake pad friction? Rotor misaligned or something? It does not respond (noise become louder, go away, etc) with braking inputs.

[scorpion32]

Hi Ticobrahe,
yesterday I made a first long ride with my brandnew DSR 2016 model. I experienced the same squeaking sound you have.
It seems to come from the rear tire. If I brake with the rear the squeaking is gone, but then It comes back. It is really annoying, especially on slow speed.

I wonder if this is because the brakes are still new or if this a bigger problem.

How do you get this sound fixed? Any ideas from other forum members on this?

Thanks in advance.

[BertTrack]

Check the frequency of it. If it's in synq with the rear wheel it could be the wheels/brake/rear pulley on belt. If it's the frequency of the belt rotation it's probably the belt.

I have found a mark on my rear pulley where the belt would rub up to it every rotation. It squeeled for a while.

[Richard230]

If the squeaking stops when you apply the rear brake lightly, then it is probably the brake pads making the noise.  You might try braking hard a few times to bed-in the pads.  That might help.  Also, sometimes flushing the pads and caliper with soapy water, flushing with clear water, then going for a ride to dry the caliper out can help if the pads are dirty. 

[Shadow]

My bet would be an over-tightened belt, also brakes that need to be bedded-in as the manual says but also then washed well with a pressure washer or garden spray nozzle should be enough.

[scorpion32]

Thx for all the helpful replies.

I will have a closer look at the bike at the weekend. Currently i am buried in work.
Hopefully also temperatures will rise a bit at the weekend.

[stevenh]

My rear brake did this for the first 2500 miles, then it never did it again (it would squeak when coasting at slow speeds, then stop if I put slight pressure on the brake).  2016 DSR.

Steve

[scorpion32]

Ok, last saturday i drove 110 km on my DSR. Lovely weather. The squealing now almost disappears. I think it was the bedding of the brakes, since the bike is brand new. On my way back i got stuck in a traffic jam. But now that i drive on a motorbike it was really fun to just overtake all of the cars with a smile on my face.

Today i had to wash my DSR. Now she is shiny like new.

[ginoverg]

Hello I'm Luigi Im new at the Forum
I own a Zero S 2015 and the squealing noise haunted my  silent sibling rides for long time since I did change the original pad at the rear brake for compatible SBS pads and the nasty noise  just disappeared, I assume that the problem is the same I had when the rear pads were cold then gradually disappear when warmed up but it was very upsetting when finally found this Forum that really give to me a lot of tips and knowledge so I would like to contribute to the community that I feel to be part of it.

[BrianTRice@gmail.com]

Unofficial manual reference for this topic:
http://zeromanual.com/index.php/Unofficial_Service_Manual#Brake_Problems
Also to merge/cross link:
http://zeromanual.com/index.php/Common_Problems#Brake_Squeal