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Kit shock setup. Part numbers link to AMain.
Out of the box the MRX7 runs 600 cst front, 600 cst rear (Mugen Seiki oil), on 1-hole (#D0510F) front, 2-hole (#D0510R) rear pistons. That is the kit setup; you will need to adjust it for your track conditions. The RC Setup App can help dial it in.
The kit springs are 1.9mm White (#H0526) front, 1.9mm White (#H0530) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
Free to start · iOS & Android
Your Mugen Seiki MRX7 is in the RC Setup App
Save every setup change you make to your Mugen Seiki MRX7, get AI tuning answers for that exact car, and log your races — at the track or back in the pits.

