add it in if you want it heavier

Hardened Clutch Bell

Compatible with the R2-D2 kit

A-parts are molded in Black ABS

A convenient overspray film is included

Team Associated - Reedy Sonic 540-M4 Sensored Brushless Motor, 7.0 Turn Replacement Parts Car and Truck Turnbuckles and Rods add it in if youInternally, 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