For drivers upgrading drift rigs, the Yokomo RP-119 spare rotor fits the Racing Performer DX2 Type-R motor and comes in a 12.5mm size tailored to 15.5T use. The rotor includes a protective magnet ring to limit damage from impacts and maintain predictable operation over many runs.
Replacing rotors is a simple way to tune motor spin and feel. The RP-119 gives a baseline for 15.5T setups, while the smaller 12.3mm rotor is better suited to 11.5T or 13.5T applications when you want a different torque and rev response.
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