Estes Rockets - Electron Beam Rocket Launch Controller (2pc) Upgrade Parts Car and Truck Hardware This 2 Speed Transmission Conversion

This 2 Speed Transmission Conversion for the Axial Yeti gives you best of both worlds with fast top end and low crawling power for your Axial Yeti

Modified to allow 150 to 166 length adjustment

This kit comes with a large diameter

And being E2X assembly just means more time for flying

Hot Racing's optional upgrade heavy duty spline star drive axle kit for SCX II and TRX4

Estes Rockets - Electron Beam Rocket Launch Controller (2pc) Upgrade Parts Car and Truck Hardware This 2 Speed Transmission ConversionLaunch controller comes complete with safety key and 17 feet (5. 2 m) of cable. A great controller for launching mini and standard (A C) engine powered rockets. Requires four new high quality 'AA' alkaline batteries not included.