TRAXXAS X-MAXX Precision rear arm set TXM545522 by GPM  [TXM545522]

TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522
Price:
USD$158.90
Brand:
GPM
Model:
TXM545522
GTIN:
4894538321319
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alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"
alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"
alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"
alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"
alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"
alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"
alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"
alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"
alt="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522" title="TRAXXAS X-MAXX Aluminum Rear Upper+Lower Arms+Kncukle Arms set - 40pc set - GPM TXM545522"

Precision machined rear arms for repeatable suspension geometry

This machined aluminium rear arm set is engineered for the TRAXXAS X-MAXX rear suspension to replace the factory rear upper, lower and knuckle arms. Components are CNC machined from 6061 T6 aluminium to improve dimensional consistency and reduce deflection under load, helping deliver predictable arm kinematics in demanding use.

The design focuses on tuning stability: externally adjustable tie-rod style upper arms allow fine changes to effective arm length for camber and roll-center adjustments, while the lower arms and knuckles are profiled to minimise unwanted flex. POM collars at knuckle interfaces act as low-friction wear surfaces and a #45 steel reinforcement at the upper-arm midpoint increases local stiffness without significantly altering mass distribution.

Assembly notes: this aftermarket kit is intended to fit the rear upper and lower arm positions and rear knuckle locations, installed using the supplied pins and stainless fasteners. Basic disassembly of the rear hub and arm mounts is necessary; final setup should include range-of-motion checks, clearance verification and alignment of suspension geometry to ensure intended behaviour.

Specifications

  • Item: Aluminium rear upper, lower and knuckle arms set - 40 pcs
  • Material: 6061 T6 aluminium main bodies, #45 steel reinforcement, POM collars, stainless steel screws
  • Model Number: TXM545522
  • Compatibility: Part location: Rear upper & lower arms, knuckle arms

This set is intended as a precision aftermarket upgrade for X-MAXX rear suspension where firmer arm response and controlled pivot behaviour are required for consistent tuning and on-track performance.

This item is compatible with

  • TRAXXAS XMAXX

What structural benefit does the TXM545522 upper arm reinforcement provide?

The #45 steel insert at the upper arm centre increases local tensile stiffness, reducing mid-span deflection and improving repeatability of camber under load.

How do POM collars affect pivot performance?

POM collars provide a low-friction, wear-resistant bearing surface at the knuckles, preserving smooth pivoting and reducing metal-on-metal contact.

Is any setup required after installing these arms?

Yes. After installation verify arm travel, inspect for binding, and perform camber and roll-centre checks to re-establish the desired suspension geometry.

Are these parts intended for competition use?

They are aftermarket performance components aimed at hobbyists and racers seeking improved stiffness and repeatable kinematics; compatibility and suitability depend on individual setup goals.

What maintenance is recommended?

Regularly inspect POM collars for wear, ensure fasteners remain torqued to spec, and check for any play at pivot points as part of routine maintenance.