"BRUSHED RE-ENERGIZED" Specialized Carbon Brushed for extended life Zero-Cogging Torque Design Applications: 1/10 On-road / Buggy / Crawler & 2WD Truck - 540 can-size - Excellent efficiency - Outstanding Response and Control - Adjustable mechanical timing of the motor - Modular design for easy service and cleaning - TryOut-n' Trade Program Available - Slot: 3 - RPM@7.4V: 10500 - Input Voltage: 12.6V - Diameter/ Length(mm): D=36mm(1.42in) / L=53mm(2.09in) - Shaft Diameter/ Length (mm): D=3.175mm(0.125in) / L=16.5mm(0.65in) - Weight: 169g