The installation manual presents things about magnetic bolt, the magnetic bolt, speed sensor, and magnetic. There are many things related to rotor, speed, and odometer are described in the installation manual.
Inside the installation manual the reader can find explanation related to position, the brake caliper, endurance, and the caliper mount. Here are chosen from this installation manual:
3/8” hole drilled for magnetic retainer on XR Magnetic rotor bolt KTM Magnetic Retainer Position KTM OEM Sensor Position For KTM 2000 and up (no drilling required) STEP 2: POSITION AND MOUNT SENSOR: The brake caliper must be removed to install the sensor, in most cases. Endurance Handlebar Mounted Vapor/Vector Handlebar Mounted Endurance Flat Panel Mounted Endurance Stock Odometer Plate Mounted SPEED SENSOR TEST: It is best to test sensor/magnet placement is correct before permanently mounting.
Even more, the installation manual contains info around sensor, the brake cable, and mounting.