Team Associated - Reedy Sonic 540-M4 Sensored Brushless Motor, 9.5 Turn Model Rockets Rocket Starter Packs Length: 286

Length: 286

The HS-55 set the standard for affordable performance

Use as a tuning weight for vehicle weight bias

Application: 1/10 Cars

and is much more accurate than kits current on the market

Team Associated - Reedy Sonic 540-M4 Sensored Brushless Motor, 9.5 Turn Model Rockets Rocket Starter Packs Length: 286Internally, the 540 M4 is very similar to that of the 540 M3 that it replaces it produces the same linear powerband and excellent mid range feel that have become synonymous with Reedy's modified motors. However, changes can be good when they serve a purpose. In the case of the 540 M4, the inner bearing has been moved so that it is part of the can instead of the sensor assembly, which more precisely aligns the rotor within the magnetic field while