Stepping Motor 12V comes with the Pinion Gear.
For Rcom MX & PX 50
And Rcom 20 Mx& PRO Until ver.4.3(MAX) &ver.3.6(PRO)
AND NOT FOR MX/PX 20DO OR MX/PX 50DO
Please note for Rcom20 MX & PX 20 starting from ver. 5.1(MAX) &
ver. 4.0(PRO) in May 2019 please use H20 Stepping Motor.
And also confirm with the photo, or give us a call