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Discussion Starter · #1 · (Edited)
I’m looking to put some 999rs discs... 320mm with 10mm offset on a 749R track bike...
Just wondering if anyone had suggestions for which calipers are going to work best...as in fitment.
Price wise the sky seems to be the limit but of course I want to keep costs down ...
 

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Discussion Starter · #2 ·
Definitely not for tosser value ! Just able to get the discs...... I have other discs also so may just go down that path if it’s going to be too much rooting around.. cheers...
 

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5mm spacers under the rotors and Brembo M4's work without further adjustment. The RS rotors are narrowband so most calipers will have clearance issues with the floater buttons. On my HPK's I had to grind a bit off the pads.
 

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I’ve deleted my post as the information I have given is incorrect. For some reason I was thinking 996rs to 748r. Sorry guys.
 

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Discussion Starter · #5 ·
Thanks Jusutus..... did you have to make spacers or are they available to purchase somewhere ?
What calipers would be needed for the narrowband discs if you didn’t want to grind brake pads... I assume a race spec brembo.....
 

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I had them made locally, cost 40€. Not sure if the five bolt versions are available, all I've seen are the six bolt ones for Tamburini bikes.

Race spec Brembos are for narrowband rotors, yes. But as mentioned the M4's work as well and require no mods (apart from brake lines, 1098 ones are a direct fit). And they are a whole lot cheaper than any proper race caliper.
 

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There are also 'RS' discs with a 15mm offset. They only have a black center which can be anodized into gold. I have them on my bike.

The 749 OEM calipers do not work with narrow band rotors. You need to grind the brake pad guiding a few millimeters.
 

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