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Don’t Build the MST RMX 4 Until You Watch This (30 Tips)

5.6K views· 164 likes· 25:27· Dec 16, 2025

Building the MST RMX 4 drift chassis? Before you do, watch this. I documented 30 must-know assembly tips during my own RMX 4 build to help you avoid common mistakes and get the best possible results. The MST RMX 4 is an excellent RC drift chassis — but it’s also very detail-oriented. During my full build, I kept a running list of every small issue, detail, and “gotcha” that could affect performance, reliability, or overall build quality. Whether this is your first RMX build or you’ve built other drift chassis before, these tips will help you get it right the first time. Tools used in this video: - shock pliers: https://alnk.to/1CajBN6 - scale: https://alnk.to/ei4Seyp - MIP tips: https://alnk.to/44YVlf4 - WORX driver: https://amzn.to/3YsMxnY - thread locker: https://alnk.to/9xmpKxV - bearing oil: https://alnk.to/b7BezTv - Cow RC mat: https://alnk.to/4fTGk5t - topline wheels: https://alnk.to/613g8fM - yokomo DRC tires: https://alnk.to/9bwTMWA Tips quick-links: 0:00 Tips for building the RMX 4 0:16 Tip 1 RTFM 0:30 Tools Needed 1:43 Tip 2 cutting 2:22 Tip 3 spacers 2:46 Tip 4 movement 3:23 Tip 5 battery 3:33 Tip 6 5:15 Tip 7 link 5:53 Tip 8 pins 6:40 Insights 7:58 Tip 9 cross pin 8:37 Tip 10 shim 9:05 Tip 11 oil 9:49 Tip 12 seal 10:11 Tip 13 diff 10:39 Pinion 10:51 Tip 14 shims 11:26 Tip 15 bearings 11:55 Tip 16 motor mount 12:38 Tip 17 threadlock 13:11 Tip 18 ball stud 13:28 Tip 19 pills 13:55 Tip 20 14:05 Servo saver 15:20 Tip 21 servo 15:55 Tip 22 bearings 16:46 Tip 23 rotors 17:34 Tip 24 spin 18:25 Tip 25 movement 19:42 Shocks 20:57 Tip 26 tool 21:21 Tip 27 bubbles 21:40 Tip 28 move 21:52 Tip 29 body mount 22:52 Tip 30 tires and wheels 24:23 What is next Was this video helpful for you? Consider joining as a channel member! Click here to learn more: https://www.youtube.com/c/RoadsideRC/join *Note: The provided links to the items recommended in this may be associate links. The great news about this: you pay the same price for the item, but I get a small kickback that helps me fund this channel! AMain Hobbies Affiliate link: https://alnk.to/cHIb5Xc Amazon Affiliate link: https://amzn.to/3DT66e3 AliExpress: https://s.click.aliexpress.com/e/_mMlsraP Redcat Affiliate link: https://www.redcatracing.com/?ref=faSkeDGcHxv6W My LHS, Cookeville Hobbies: https://www.ebay.com/str/luvrc?_trkparms=folent%3Aluvrc%7Cfolenttp%3A1&_trksid=p3542580.m47492.l74602&mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5338469288&toolid=11800&mkevt=1 Get previews and insights by following us on Facebook: www.facebook.com/RoadsideRC Instagram: www.instagram.com/RoadsideRC. Interested in getting RoadsideRC stickers or livery? Get them here! - Stickers: https://www.etsy.com/listing/1642764885/110-scale-roadside-rc-decal-sheet?etsrc=sdt&fbclid=IwY2xjawHHLnNleHRuA2FlbQIxMAABHTixh20rA9BTKwvlMlpE7W9aXnVr6K-iBej0hSMZb3zAWGEJW0IIeUQegQ_aem_Pl89fv6C5gozBDo19vOdDw - Livery: https://www.etsy.com/listing/1823586961/110-and-124-scale-rc-drift-livery-kit?fbclid=IwY2xjawHHLjxleHRuA2FlbQIxMAABHdbvS7rRBY6b89WRSskPf1H5ZJiX8L1roviONz_JK2pPTUENslUWyoEBgw_aem_ypRNrmfAW19jfEu94oSTEw Music provided by the YouTube library.

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