Price is for us to supply and fit 1 x PAIR Shimano CENTERLOCK or SRAM 6-Bolt rotors to your new Kinetic-One wheels.

RT70 Is Shimano 105 level CENTERLOCK

RT800 Freeza is Ultegra level CENTERLOCK

SRAM Centerline : Lightweight 6bolt

You need to measure diameter across your existing rotas - both front and rear as they may differ.
 

most common are:

140mm Front/140mm Rear

160mm Front/140mm Rear