This V-series variation pack adds an outer loop around your existing Unitrack oval

diameter:14

Antenna type: single antenna

O-ring exhaust gasket

SmartSense® and brushed motor running modes

Hobbywing Quicrun Brushed 555 Motor 13T Slot Car Parts This V-series variation pack addsHobbywing Quicrun Brushed 555 Motor 13T Quicrun Brushed 555 Motor 13T "BRUSHED RE ENERGIZED" Specialized Carbon Brushed for extended life Zero Cogging Torque Design Applications: 1 10 Crawler Short course truck Monster truck Features: 555 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 Specifications: Slot: 5 RPM@7.