Two high-speed 40mm cooling fans deliver increased airflow across the motor can to help control heat during extended runs

Six spoke design

- Fits front and rear

Provides instant visual reference of proper coupler height

5x48mm size

Kyosho MZW124 Mini-Z X-Speed Motor Checker Motors Two high-speed 40mm cooling fansKyosho KYOMZW124 Mini Z X Speed Motor Checker MZW124 X SPEED MINI Z Motor Checker Optical rotation speed checker of brushed and brushless motors for the MINI Z series. A motor checker that can measure accurately. Rotation adapter with a reflective sticker can be attached to the shaft of the motor to accurately measure the motor RPM. Input power supply voltage corresponds to 5. 5V to 8. 4V, and a power cable compatible with super plug is attached.