Combo set combines BL-SP4 speed controller and ZERO-S drift spec motor.
This is a cost-effective speed controller with the same program item as the top model, and it is reasonable
The compact housing is also easy to install on the machine.
Can be combined with a dedicated programmer (BL-YBP4) or Wi-fi module for even greater performance.
Combined with a color anodized ZERO-S motor, it is compatible with the YD-2 series chassis
Complete a machine for a total coordination.