Immediately after Traxxas released the X-Maxx, RPMcustomers started notifying us that they needed stronger A-arms thatcould handle the weight and the punishment these massive trucks can dishout. We reviewed numerous photos of damage to stock A-arms to see wherethe weak points were, then reviewed a set of new A-arms to see what wecould do to improve both strength and durability.
The result… Our new X-Maxx A-arms are designed to be the strongest,lightest arms available! Starting with the upper A-arm, we used ourproven A-arm designs from past successful builds to create an uppersupport structure sure to handle anything you can throw at it! Our lowerA-arm has better ground clearance than stock A-arms and has a crosssection based off of our proven 1:5 scale HPI Baja A-arms so you knowthey’re tough! We’ve also created a double support beam on the lowerarms to spread impact energy over a larger area, meaning hard hits won’tforce you into the “walk of shame”. They’re also universal fit, whichmeans they’ll fit on any corner of your truck! No more worrying whicharm fits where.
RPM X-Maxx A-arms are molded in our trademark blend of incredibly tough, engineering grade nylons and made in the USA. RPM X-Maxx arms are backed by our industry-leading limited lifetime warranty against breakage for worry-free performance you can count on!
Tech Notes: Each package comes with one upper and one lower A-arm. This kit replaces the upper a-arm from stock Traxxas 7729
and replaces the lower a-arm from stock Traxxas 7730 & 7731. Four packages will be needed to complete one full vehicle.
Tip: For most users, any additional parts won’t be necessary. For heavy use, big jumps or extreme power, RPM recommends replacing the lower A-arm hinge pins with CEN GS025 threaded hinge pins (not included).
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