Shift Servo (2-Speed Trans) chassis crossmember The BL-2s is a model

The BL-2s is a model of efficiency and refinement

Terrific for tuning in all kinds of track conditions

Two channels are selectable

Modified extreme-duty driveshafts

Shift Servo (2-Speed Trans) chassis crossmember The BL-2s is a modelShift Servo for Two Speed Transmission 9892 Add convenient remote shifting capability to your TRX 4M high low two speed transmission with this shifting servo. The servo replaces the manual shifting lever on the transmission and plugs into channel 3 of the brushless ECM. Note: shifting servo requires installation of the 9891 two speed transmission, 6250 TRX 4M brushless power system, and a 3 or 4 channel transmitter (all sold separately).