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Kit shock setup. Part numbers link to AMain.
Out of the box the RMX 2.5/2.5 S runs 20 wt front, 20 wt rear, on 3 x 1.2mm front, 3 x 1.2mm 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 Gold (#820103-3) front, Purple-red (#820104-3) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
Free to start · iOS & Android
Your MST RMX 2.5/2.5 S is in the RC Setup App
Save every setup change you make to your MST RMX 2.5/2.5 S, get AI tuning answers for that exact car, and log your races — at the track or back in the pits.

