M2 rotor specs

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jpeffland

New member
Joined
Jan 25, 2010
Messages
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Does anyone know the specs for the front and rear rotors off a 99 M2 Cyclone? I'm looking for:
Outside Diameter,
Inside Diameter,
Distance from inside edge of mounting hole to inside edge of bolt hole,
Bolthole diameter,
Thickness,
Offset

Thanks.
 
I have a new front rotor. If I remember I will bring home my dial calipers on Monday and measure it.

What measurement are you looking for, don't quite understand what you are looking for.

"Distance from inside edge of mounting hole to inside edge of bolt hole"?
 
5822_20140423110626_L.jpg

Sorry for the delay, I had some issues uploading the picture. Here's a better explanation of what I need. I attached an image of the rear rotor and added labels for the dimensions that I'm looking for.
A: Inside diameter
B: Outside diameter
C: Bolt hole diameter
D: I think this is the easiest way determine the bolt hole placement,D : D = A + E + C/2
E: Distance from inside edge of mounting hole to inside edge of bolt hole
Thickness
Offset
 
That's ok. Remembered to bring my calipers home tonight. These are the dimensions for a front rotor for a s3, part number ( my book says) 45166-00y.
Hope this helps. Are you making your own rotor?
A.) 2.380 diameter
B.) 13.380 diameter
C.) .331 diameter
D.) 3.251 bolt circle diameter ( 5 holes)
E.) .270
Thickness of where pads contact .195
Offset from where rotor contacts rim to inside of rotor where pads make contact .230
 
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