Spektrum SPMXSM2100 Firma 3668 2400Kv Brushless Motor TRX-4M Parts Deans-style discharge connector

Deans-style discharge connector

grease coats the gear faces and cushions the meshing teeth

AXIAL AXI232045 Hex Rotor Caliper and Pin Set (4) RBX10

LED indicators show power and battery condition

Spektrum SPMXSM2100 Firma 3668 2400Kv Brushless Motor TRX-4M Parts Deans-style discharge connectorThe Spektrum SPMXSM2100 Firma 3668 is a 2400Kv 4 pole sensorless brushless motor built for 1 10 scale vehicles, including the ARRMA Kraton 4S 1 10 and Outcast 4S 1 10. The 4 pole design is the key characteristic. Compared with a 2 pole motor of similar size, a 4 pole layout produces more torque at lower RPM, which suits heavy 1 10 scale bashers that need to accelerate hard out of corners and pull through loose surfaces rather than simply reach a high