This aluminum pendulum wheel knuckle axle weight with a 23mm hex adapter is an RC-scale accessory designed for the TRAXXAS TRX4 Trail Crawler to add low-mounted mass at the wheel hubs and improve crawling stability. The assembly locates a bearing with a Delrin collar at its center and a tapered pendulum that is narrower at the top and wider at the base so the added mass remains downward while allowing articulation at steep angles.
Functionally the part increases each wheel's effective weight to help maintain tyre contact on uneven terrain, reduce wheel hop in low-traction spots, and allow the crawler to hold steeper approach angles without losing grip. The item is intended for installation on the outer drive portal or wheel hub area to keep chassis mass low and centered relative to the axle.
Included hardware and components supplied in the set support retrofit installation: 23mm hex adapters, stainless steel screw shafts, spring steel shims, metal washers, and stainless steel hex socket screws. The set count and the load-bearing bearing assembly are intended for hobby-grade RC use only.
This kit suits TRX4 users seeking a straightforward way to lower effective wheel mass and improve traction on technical sections, with a compact bearing-equipped pendulum that maintains gravity bias during articulation.
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