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Measuring your Rotors

Measuring your Rotors

Below are the key measurements for determining your Alcon rotor (disc) specs.  These are required when ordering custom rotors.

W=Width of rotor (mm)
D1 = Overall diameter of rotor (mm)
D2 = Inner diameter of braking surface
N =Number of rotor/hat mounting holes
PCD = Diameter of center-to-center of rotor-hat mounting holes.



Alcon Brake Kits

Previous article Identifying your Alcon Caliper

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