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Discussion Starter · #1 ·
It's been a few years since the 790 duke was released. Are there any other front brake rotor options out there apart from Galfer?
My KTM dealer said he wasn't able to get any other brands than the originals.

I have a 2018 duke 790 with the original discs. Brakes pulsed a little when i got it at 12,000kms but didn't really notice it having fun in the hills until the second time out in hills brake pulsing got worse and worse until they were hammering so hard they just wanted to lock up.

Checking the discs they have uneven wear but not warped.

Two people I know with the 790 both have pulsing brakes on their bikes also one managed to get dealer to replace them for him.

I don't want to pay over $650 for it to happen again soon after swapping.
 

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My original ones were replaced without question under warranty and were definitely warped as I measured them with a DTI. The second set have been fine. I actually wonder whether they've altered their machining technique as the marks from the disc pads on the second set for the first few hundred k's were quite different from the first set. A sort of barring pattern.
 

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Discussion Starter · #3 ·
Mines out of warranty now unfortunately.

Apparently 320mm sdr 1290 rotors will fit with 10mm spacers and longer bolts on the calipers.
 

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It's been a few years since the 790 duke was released. Are there any other front brake rotor options out there apart from Galfer?
My KTM dealer said he wasn't able to get any other brands than the originals.
You can use the PowerParts. Galfer yet don't know any complain on those (whereas there are many on OE ones).
Have the PP ones, great improvement on feel and braking control.
 

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Mines out of warranty now unfortunately.
Apparently 320mm sdr 1290 rotors will fit with 10mm spacers and longer bolts on the calipers.
Yup - this is the basis of the Rottweiler kit. @EvansB2 has done it.
I have a set of spacers ready in case I have disk issues. I would simply move to 320mm.
So far none at all though. And I am gentle on brakes so I really don't expect any.
PP are made by Galfer. Another POTENTIAL option fro 320's would be OEM 890 disks.

Note that there is a nice new Galfer option - pretty much prototyped on the 790D - I was told.

 

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Mines out of warranty now unfortunately.

Apparently 320mm sdr 1290 rotors will fit with 10mm spacers and longer bolts on the calipers.
Can someone confirm this, please?

As far as I checked the inner radius on the SDR bolts is 64mm, while it's 52 on the Duke.
 
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Discussion Starter · #8 ·
Iv borrowed a 2017 1290 rotor from a friend to test fit.

The rottweiler kit comes with 4 factory KTM M10 x 1.25 x 65mm caliper bolts. Does anyone know a part number for these or what bike they are off so I can just order from my local bike shop?
 

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Can someone confirm this, please?

As far as I checked the inner radius on the SDR bolts is 64mm, while it's 52 on the Duke.
If you pop into the GALFER online shop https://www.galferonline.es/ - You can search by PCD, offset, number holes.
It does not however like my VPN. I'll login again later and list the P/N.

Galfer 300mm 790D


Ø Ext: 300,00 mm
Ø Int: 52,00 mm
Campana : 0,00 mm
Espesor: 5,00 mm
Anclajes nº: 5
Ø entre anclajes: 80,00 mm



Ø Ext: 320,00 mm
Ø Int: 52,00 mm
Campana : 0,00 mm
Espesor: 5,00 mm
Anclajes nº: 5
Ø entre anclajes: 80,00 mm
Listed for 890R and 690 Duke R

HUSQVARNA701 SVARTPILEN
701​
18-19​
DF787​
DF798​
HUSQVARNA701 VITPILEN
701​
18-19​
DF787​
DF798​
KTM690 DUKE
690​
12-​
DF787​
DF798​
KTM690 DUKE R
690​
13-16​
DF787​
DF798​
KTM890 DUKE R
890​
20-​
DF787​
DF806​






Ø Ext: 320,00 mm
Ø Int: 64,00 mm
Campana : 0,00 mm
Espesor: 5,00 mm
Anclajes nº: 5
Ø entre anclajes: 80,00 mm
Listed for KTM 1290 Superduke R 2016--
 

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Iv borrowed a 2017 1290 rotor from a friend to test fit.

The rottweiler kit comes with 4 factory KTM M10 x 1.25 x 65mm caliper bolts. Does anyone know a part number for these or what bike they are off so I can just order from my local bike shop?
A KTM dealer should KNOW - otherwise go to an industrial ironmonger nut and bolt place. Industrial Estates are your friend.
 

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If you pop into the GALFER online shop https://www.galferonline.es/ - You can search by PCD, offset, number holes.
It does not however like my VPN. I'll login again later and list the P/N.

Galfer 300mm 790D


Ø Ext: 300,00 mm
Ø Int: 52,00 mm
Campana : 0,00 mm
Espesor: 5,00 mm
Anclajes nº: 5
Ø entre anclajes: 80,00 mm



Ø Ext: 320,00 mm
Ø Int: 52,00 mm
Campana : 0,00 mm
Espesor: 5,00 mm
Anclajes nº: 5
Ø entre anclajes: 80,00 mm
Listed for 890R and 690 Duke R

HUSQVARNA701 SVARTPILEN
701​
18-19​
DF787​
DF798​
HUSQVARNA701 VITPILEN
701​
18-19​
DF787​
DF798​
KTM690 DUKE
690​
12-​
DF787​
DF798​
KTM690 DUKE R
690​
13-16​
DF787​
DF798​
KTM890 DUKE R
890​
20-​
DF787​
DF806​






Ø Ext: 320,00 mm
Ø Int: 64,00 mm
Campana : 0,00 mm
Espesor: 5,00 mm
Anclajes nº: 5
Ø entre anclajes: 80,00 mm
Listed for KTM 1290 Superduke R 2016--
That was my point. Internal diameter is different (52 vs. 64 mm). Was I looking at the wrong dimension? My technical terminology in spanish is not great...
 

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OK. Went and took a few quick measurements. It seems that the bolt holes circle diameter is, indeed, 80mm, so the SDR rotors should fit.
 

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For DISCS the PCD (Pitch Circle Diameter) and the number of bolts, plus offset is the real issue. The internal clearance ID - 64mm vs 52 as an example - is usually not so much an issue, unless there is a cable operated speedo.

What has intrigued me - The New CUBIQ discs have Steel carriers - but they are really fine webbed. And not all interfaces are buttoned.
 

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For DISCS the PCD (Pitch Circle Diameter) and the number of bolts, plus offset is the real issue. The internal clearance ID - 64mm vs 52 as an example - is usually not so much an issue, unless there is a cable operated speedo.

What has intrigued me - The New CUBIQ discs have Steel carriers - but they are really fine webbed. And not all interfaces are buttoned.
Fully agree. I didn't find the PCD in the english version of the site and couldn't understand why they would state anything else, unless there is a shoulder that the carrier needs to sit on, which the Duke wheel doesn't seem to have.

Thanks for correcting my terminology, re PCD. I know it in Hebrew... Wasn't sure about the English/Spanish.
 
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