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I'm getting a set of caliper adapters to mount a spare set of RC51 calipers on another bike. I need a measurement for the machinist and I can't get to my RC that's in storage.

Does anyone know the rotor offset for the RC51 rotor?

Its the distance from the outside face of the rotor to the inner surface of the bolt ring (face of the hub). Did I explain that clearly?

Just imagine the rotor laying on a flat surface. What is the thickness of the rotor from the outer face (rotor surface) to the inner face (carrier bolt circle)

It should be a metric number...most Honda's are 10mm. I think the RC51 is different.


Thanks,

-P.
 

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I measured my Galfer front rotors.
From the rotor carrier face (hub mount surface) to the rotor outer face, I measure 12mm.
The SP2 rotor thickness is 5mm.
Therefore, the distance from the rotor carrier to hub mount surface to the rotor blade center line is 9.5mm.
 
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