This is an optional Maclan Ultra High Torque 12.5mm Rotor, which can be used for motor tuning to suit a specific application or need based on the driver, class of vehicle, or performance goal.
NOTE: Team Edition V2 Rotors are not backwards compatible with previous MRR or MRR Team Edition (V1) motors/rotors.
This product was added to our catalog on December 1, 2017