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Best Gear Calculator App

Calculate your ratio, FDR, pill insert geometry, corner weights, and more!

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CNHL RC Batteries

2S, 3S, 4S, 6S...whatever batteries you need for RC, CNHL has them!

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Free to start · iOS & Android

Setup App & Race Log

Your XRAY XT4 '23 is in the RC Setup App

Save every setup change you make to your XRAY XT4 '23, 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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