3c Rear brake rotor.

M

MarkH

New member
First step on the way to MOT and registration. Rear rotor has heavy score in centre and may be below wear limit elsewhere. What are the options. Is it an urban myth that Guzzi discs of the same era fit. As these seem to retail at less than Laverda.

??
 
The Le Mans disc carriers have a much bigger offset. Haven't measured the mounting holes in the rotor itself to see if they are the same circumference or even if they are the same number of holes and I can't do it for a week as the bike is back in hospital for a week for treatment of bleeding from the rear seals of the gearbox.
 
 
Not me asking Gert?
The Le Mans of the era had 300mm rotors on the front and 242 on the rear, that is the 850 Le Mans, Mk II and Mk III. Front rotors had 9 mount holes but I don't know the diameter of the mount. Offset of the carrier is way bigger. Don't know about other models but Guzzi seemed to use a lot of the same gear throughout the range. Mk IV and onwards had semi floating rotors. 
 
3CL rear rotor has the same dimensions as any other stock disc used on Breganze 750 twins and all triples, excluding 750SFC rear and 1000SFC front.  Early ones were 2-piece, both in solid or drilled, later one-piece and drilled, all will interchange. Even the RGS Corsa floaters will fit!

3C has rear drum brake...

Wire-wheeled Guzzi front 300mm rotors will fit Laverda wheels, very heavy though due to one-piece construction.

piet
 
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