ARRMA Main Diff 39T Spiral RC Differential Gear - ARA310911 Figure Painting The super soft compound is

The super soft compound is suited to slippery or smooth indoor surfaces where a harder tyre would struggle to find traction

Restores correct suspension geometry for consistent handling after crash or wear damage

Blue and white livery with a factory-fitted body

making it a reliable choice for anyone running one of the compatible Traxxas vehicles listed below

ARRMA Main Diff 39T Spiral RC Differential Gear - ARA310911 Figure Painting The super soft compound isThe ARRMA ARA310911 is a 39 tooth spiral cut main differential gear designed as a direct fit spare part for specific ARRMA 1 8 scale models. When the main diff gear wears or strips, this OEM spec replacement restores your drivetrain to full working order without any modification. The spiral tooth profile is a defining feature of these ARRMA differentials, and using the correct 39T spiral gear ensures proper mesh and smooth power transfer through the