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janguzzi
Grignapoco
Grignapoco
janguzzi

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Join date : 2014-08-26
Age : 53

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PostSubject: Wave Rotors   Wave Rotors Icon_minitime1Fri Oct 18, 2019 10:35 pm

First of all I like the design of waves rotors and I think it fits perfectly the GRiSO.

This guy claims that you have to mount them in a certain way to avoid pulsation.
Is this really the case?


My 2011 GRiSO has those Sunstar rotators which are really cheap:
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The bike has a slight judder at certain speeds and it got a bit better after I did this:

But it did not disappear completely.

I might add new wave rotors, do you have some reocmmendations here?
I found those:
BRAKING: [You must be registered and logged in to see this link.]
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EBC (EBC217817): [You must be registered and logged in to see this link.]
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janguzzi
Grignapoco
Grignapoco
janguzzi

Posts : 160
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Age : 53

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Sun Oct 20, 2019 12:04 am

Even Galfer recommends to mount them with an offset to avoid pulsation.


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Oz1200Guzzi
Don Abbondio
Don Abbondio
Oz1200Guzzi

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Age : 65

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Sun Oct 20, 2019 10:56 am

Going against the tide already, but if your wave rotors pulsate, they are most likely from pad material buildup. This is generally caused by the bobbins being too tight. Easily fixed though: brake cleaner in the bobbins and rotate the bobbins to free them up.

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Bobcat Sig
Montanarolo
Montanarolo
Bobcat Sig

Posts : 22
Join date : 2019-10-03

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Wed Oct 23, 2019 5:43 am

Wave rotors sure look cool.

Are you looking to add some more parts to the bike or do you want better braking performance?
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Pete Roper
GRiSO Capo
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Pete Roper

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Wed Oct 23, 2019 3:00 pm

I detest wave rotors! I've got the set off my GRiSO bolted to the Turdio because it's rotors were shagged.
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janguzzi
Grignapoco
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janguzzi

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Wed Oct 23, 2019 5:10 pm

@ Pete: Can you rember which wave rotors you had?
The cheap Sunstar or the Braking ones?

I think warped rotors is not just a "wave-problem".

@Bobcat Sig: My plan is first to inspect the Sunstar rotors again. Maybe those-half floaters or bobbins are still stuck.
If the rotors are really warped then I will buy those:
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I called Probrake, their rotors are produced by Braking in Italy and have an ABE-certificate which makes everyting easier in Europe/Germany.
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Pete Roper
GRiSO Capo
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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Wed Oct 23, 2019 5:16 pm

Mine are the 'Braking' ones. They're pretty much unworn, (I can send pics if you like?) if you'd like them they're yours. Just send me a pair of unworn, unwarped, alternatives. I just don't like them and think any perceived benefits are bollocks!

Pete
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beetle
GRiSO Capo
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beetle

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Wed Oct 23, 2019 7:59 pm


My wavy rotors had significant benefits. They benefitted Tony's 1200 Sport by allowing him to continue to stop. They benefited my GRiSO by being installed on Tony's Sport.



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Bobcat Sig
Montanarolo
Montanarolo
Bobcat Sig

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Join date : 2019-10-03

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Thu Oct 24, 2019 3:21 am

I was going to say that if you're after better braking performance, always start with the pads. Maybe you've already tried that? Or this is warping problem?
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janguzzi
Grignapoco
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janguzzi

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Thu Oct 24, 2019 5:48 am

In my video I also decribe the update to EBC front brake pads FA244HH (sintered metal).
The performance got better.

The wave design was originally made for Moto Cross.
It should free the calipers from dirt and mud.
I think on all other types of motorcycles it is more a design/marketing gag.
For my taste it really fits to the GRiSO.
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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Thu Oct 24, 2019 8:18 am

I went with BrakeTech Axis Iron rotors (no waves, its a bike not a jet ski). AUD$1000.
Why? They have fantastic stopping ability and weighed less than anything else I could find at the time.
Grimeca RSV4 discs unfortunately are no longer available, or so I've been told.

Looks? Who cares? Nobody notices my brakes anyway as they are attached (with Ti bolts) to my carbon fibre wheels. WTF?

Yep! It's all about the ride, not, "look at me".

Free test rides available to all non-tyre kicking Guzzisti.
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janguzzi
Grignapoco
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janguzzi

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Sat Jan 11, 2020 12:12 am

I mouted Probrake discs now and will test them in spring.
The quality is much better and they are lighter.

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janguzzi
Grignapoco
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janguzzi

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Sat Jan 11, 2020 12:13 am

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MalG
Don Abbondio
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MalG

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Sat Jan 11, 2020 8:09 am

When the V7 needed a new one, I selected on price - $A102 delivered from M Factory, as opposed to alternatives that started at $A300. Just happened to be a wave rotor. On the V7, there's only one of them & the it doesn't have to cope with with the power and weight of the GRiSO. It works, and seems adequate and the price was right. I suppose it's past time to service the bobbins.

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wardest
Grignapoco
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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Wed Jan 29, 2020 7:04 pm

janguzzi wrote:
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The Probrake rotors.
In their specs it states 5mm offset. I was of the thinking the GRiSO was a 10mm offset.

Certification:        ABE (vehicle type approval, German)
Offset:              5mm
Inner diameter:      64mm
Amount of floaters: 9 pcs.
Bolt pattern:      80mm
Mounting holes:       6 pcs.
Thickness:          5mm
Outer diameter:       320mm

Did you fit them in a standard manner or use a shim of sorts ?
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janguzzi
Grignapoco
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janguzzi

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PostSubject: Re: Wave Rotors   Wave Rotors Icon_minitime1Wed Jan 29, 2020 8:13 pm

I did not care about any specs I just bought them as they are and they fit. Wink
Maybe 10 mm is not correct for the GRiSO 8V with these rims.
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