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[TheRan]

That's what got me thinking perhaps it used two separate pads, one for each piston, but looking at it closer that's not the case.

Looking on the Jjuan website there's only one caliper it could be (unless Zero had a custom one made) and the pads they show for that look like the ones shown for the rear brake in the manual (pads are the same whether it's a 100mm or 108m caliper). The manual gave the part number as SBS-SI-24HH but I couldn't find anything from that, the Jjuan website says SBS-SI-104HH but I couldn't find those for sale either. Alternatives are SBS-RS1HH, SBS-SI-DS1, SBS-SI-DC10, and AFT SB261-AY which may be of use.

Here's the Jjuan page: https://jjuan.es/producto/die-cast-2p-radial-caliper-left-hand-108mm-interaxis-piston-sizes-3430mm/

[DonTom]

Finally, I have a solution to my 2018 S front brake screeching. Ever since my stock front brake pads bedded in they would make a loud screeching noise during the last 10 feet when coming to a complete stop.  Removing the pads, cleaning them thoroughly and applying an automotive anti-squeal brake compound to the back of the pads would solve the problem for about a hundred miles of suburban travel and then the noise would return again. 

So I finally broke down and replaced the stock pads with a set of EBC #FA209/2HH pads.  I have now used the pads for the past 500 miles and they have remained completely silent and (in addition) braking is improved over the original front brake pads.  So if you are experiencing braking noise, I can recommend these pads as being a inexpensive and worthwhile solution to the problem.  Personally, I think J.Jaun should use these pads in their calipers and ditch whomever makes their current brake pads.

I changed my front brake pads to the EBC and I am back from a 25 mile ride. What a nice difference! Not only no squeal, but I notice better smoother braking.

If I try hard enough, I can hear a very faint squeal at some speeds, but I would never notice it if I were not  trying to make it happen and then try to hear it. It's really the perfect fix. Zero should know about this simple fix.

BTW, what made you decide to try EBC  brake pads?

Thanks for the info! I will report back here after I put many hundreds more miles on the bike.

-Don-  Auburn, CA

[Richard230]

For me, I tried the EBC brake pads because the original ones screeched so loudly that I was embarrassed to brake to a stop and anti-squeal spray just wasn't working. So new pads seemed to be the answer. I have used the EBC brand for years on my ICE motorcycles and my Zero dealer had them in stock.   

[gyrocyclist]

Ditto here: no more squeeling! And it could be my imagination, but I think the braking just "feels" better, all around.

[DonTom]

Ditto here: no more squeeling! And it could be my imagination, but I think the braking just "feels" better, all around.

I have less than 100 miles and already have the sequel back with the new EBC #FA209/2HH pads. However, it's not nearly as bad as it used to be. But now I am tempted to try the anti-squeal stuff on rear of the EBC pads and see what happens.

But one more thing, the last ride where I heard the squeal at every stop, it was very lightly raining. Perhaps them being a little wet had something to do with it.

It could be a while before I can check into it better as I came back to Reno today and my SR is in Auburn.

-Don-  Reno, NV

[Richard230]

Don, be sure to clean your brake disc with soapy water and flush lightly.  Your disc or brake pads may have picked up some debris and that is what is causing your squeal.  When I changed my pads I thoroughly cleaned my disc with alcohol and cleaned the caliper with brake parts cleaner spray.  If you remove your pads to coat them with anti-squeal goop, you can do what I did and then also lightly sand and clean your brake pads on a piece of flat glass to remove any particles stuck to them.  That should put an end to your squealing.  My pads are still nice and quiet.   

[DonTom]

Now I have another 600  or so miles on my SR, and I will say the EBC #FA209/2HH front  brake pads  are the perfect fix.  No more noise at all from the brakes. And I didn't do anything other than change the pads to the FA209/2HH. No anti-squeak stuff used.

The only time I heard any noise from them at all was the day it was lightly raining, and that was NBD.

Thanks again for the fix.

Somebody needs to tell Zero about these brake pads. That's what they should be using on all their bikes.

-Don- Auburn, CA

[Richard230]

   It does make you wonder as squealing brake pads are not a new thing for Zero.  You would have thought that they would have addressed that matter after the first year of noisy brakes.