SMC Racing SRD-V4 14.8V-10000mAh-250C Speedrun pack body mount RPM A-arms replace the upper

RPM A-arms replace the upper arms from ARRMA ARA330655 and the lower arms from ARRMA ARA330656

the iD system eliminates fragile balance wires and clunky balance leads

boats and more

Slipper clutch design to reduce sudden force and wear and tear on the transmission

just add batteries and start drifting

SMC Racing SRD-V4 14.8V-10000mAh-250C Speedrun pack body mount RPM A-arms replace the upperWere always pushing forward. Taking lessons learned from different RC power needs and applying them to new ideas. Dipping back into the power hungry world of FPV gave us some new insight into voltage drop under load and recipes to best reduce it. Taking that information back to the SRD line, we are now able to further push the SRD into the V4 era, where eye watering power is now on tap for your vehicle. The V4 brings more of everything to the