This is a Hot Racing CNC machined aluminum small Power Up Gear adapter for Traxxas vehicles with a small slipper.
Outer Diameter: ~29mm
1x Power Up (no Slipper) Gear Adapter
Please note that you will no longer have slipper functionality if you install this part
Known to fit: E-Maxx, E-Revo, Rally, Revo 3.3, Slash 4X4, Slayer Pro 4X4, Stampede 4X4, Summit, T-Maxx 3.3