Are all four rotor discs identical or is is specific to front/back and direction of rotation please?
Thanks,

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See this helpful info from dazedandcofused: <strong>Hi imaninja, If they are drilled and/or slotted, then the front brakes are unidirectional meaning left and right hand specific. The rear brakes are bi-directional if drilled, doesn't matter which goes where. You would want to install directional brakes so that the hole pattern or slots go in the direction of the wheel rolling forward. Hope this helps :</strong>

- Nick