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20% off EagleTech 160A ESC Purple

$180 → $144 · save $36 at AMain

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Free to start · iOS & Android

Setup App & Race Log

Your XRAY XB4 '25 is in the RC Setup App

Save every setup change you make to your XRAY XB4 '25, get AI tuning answers for that exact car, and log your races — at the track or back in the pits.

  • Setup Tracking
  • AI Mechanic answers
  • Find & Share Setups
  • Race Log
  • Gear Ratio Calculator
  • Free to use
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