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v3 with 203mm rear brake squeal

1351 Views 5 Replies 3 Participants Last post by  the-one1
Anyone on a v3 (any model since they all use the same dropouts with IS mounts) with a 200-203mm rear brake that squeals/vibrates?

I'm running Hayes A2 with a 180mm Amazon floating disc. It doesn't squeal with the 180mm, but if I use a 203mm of the same brand disc, it squeals and vibrates.
I've also tried a 203mm of another brand floating disc (this one has a thicker aluminum carrier than the one mentioned above), and it also vibrates and squeals.

Using metallic pads. Tried the organic pads and has the same issue.

All discs were broken in with the metallic pads.

I've swapped the front disc to the rear and the rear still squeals/vibrates. Issue is isolated to the rear.
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I had/have this with 180 mm brakes on my Spitfire v3. You will want to talk to Banshee or the shop you bought it from about it.
Were you able to correct the issue?
I also get it with the 180mm disc, but its not bad enough that its unusable.
Nope, running a4s and 203 rotors (hayes on one wheel set, galfer on another) on my paradox. They only squeal when I'd expect. MTX pads though.
Were you able to correct the issue?
I also get it with the 180mm disc, but its not bad enough that its unusable.
Not really. Tried two different brakes, two different rotors, four different types of pads (including MTX.) Bolting a 100 g weight to the dropout was the only thing that worked, but that isn't really a great solution.
Banshee is sending a replacement frame under warranty.
I think the issue is the flimsy/flexy IS mount on the dropout. I went back to the 180 disc as its fine for majority of my riding. Only wanted the 203 when riding longer DH trails.
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