Yokomo DRIFT SPEC Combo BL-RS4D ESC + ZERO-S 10.5T Motor (Purple) BL-R4105DPESC: BL RS4D brushless speed controller for 1 10th drift cars. The controller features a laser etched case and a default software setting developed by Yokomo team driver Takahiro that had proven to be the best basic setup for most conditions. The controller comes with a black receiver wire and and pre soldered connectors. Motor: Yokomo brushless motor for drifting ZERO S series! Although it has a slightly torque type output characteristic, it has a