Description This is a bare chassisonly A4WD1 v2 upgrade kit Heavy duty aluminum structural components Precision lasercut lexan panels Does not include motors, wheels, or wires The Lynxmotion Aluminum A4WD1 Chassis V1 to V2 Upgrade is a bare chassisonly A4WD1 v2 upgrade kit. Accessories Compatible Motors Gear Head Motor 12vdc 30:1 200rpm (6mm shaft) Gear Head Motor 12vdc 50:1 120rpm (6mm shaft) Gear Head Motor 7.2vdc 30:1 291rpm (6mm shaft) Gear Head Motor 7.2vdc 50:1 175rpm (6mm shaft) Gear Head Motor 12vdc 30:1 253rpm (6mm shaft) Gear Head Motor 12vdc 50:1 152rpm (6mm shaft) View more What's Included Aluminum structural components Laser cut Lexan panels Links Website