HyperGo Ultimate Heavy Duty Differential (16420G) - original spare part for the HyperGo Series.

Standard spare part for the following HyperGo models:

  • HyperGo EXtreme

Upgrade part for the following HyperGo models:

  • HyperGo
  • HyperGo Brushless SE
  • HyperGo Brushless
  • HyperGo Buggy