NEW PRODUCT - TRX-4 Shock Mod/Upgrade
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Ultimate Pen Spring Mod to climb steep stuff! I use this on my crawler
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SHOULD YOU WEIGHT YOUR TRX-4?? | Yeah Racing Metal Axle & Brass Upgrade Sets
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MUST DO TRAXXAS TRX4 UPGRADES!
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Traxxas TRX4 Axle Disassembly - Portals & Selectable Locking Differentials
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Yeah Racing Brass Upgrade Set for Traxxas TRX-4 - Installation and Advantages
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FastEddy Bearings TRX 4M Bearing Install. Step By Step
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Traxxas TRX4 RC Crawler Treal Shock Tower Upgrade [Install, Test, Review]
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