What's visible on the outside is an ultra-cool

Chassis Type: AR (Aero)

composites

For better reliability

What are "Zoomies"

Carisma - ARC-1 Brushed Crawler ESC GMA54000 What's visible on the outsideForward: Max instantaneous Current: 500A Max continuous Current: 40A On resistance: 0. 0015 ohm phase Backward: Max instantaneous Current: 250A Max continuous Current: 20A On resistance: 0. 003 ohm phase PWM frequency: 1 kHz Operation Voltage: 4. 8V ~ 8. 4V BEC: 5. 6V 1A max at 7. 2VFeatures: Waterproof Lipo and NiMH Friendly End points calibration 4 ESC modeS Thermal protection Stall protection: Specifications: Size: 40mm(L) x 27mm (W) x 22mm (H)