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Injora Brass Steering Knuckles and Counterweights for the TRX-4M

New from Injora are their Brass Steering Knuckles and Counterweights for the Traxxas TRX-4M. While this isn’t the first time Injora has offered a set of brass steering knuckles for the popular 1/18-scale crawler, this option part does offer some benefits over its predecessor.

Weighing in at 13g, these Brass Steering Knuckles feature threaded mounting holes that allow easy installation of Injora’s Brass Counterweights. Each counterweight half weighs 8g, allowing you to add up to 29g of weight to each side of your TRX-4M’s front axle.

If you’re running Injora’s +4mm Aluminum Diamond Axles, the counterweights can be attached directly to that axle setup for an additional 16g of weight (per side).

Injora Brass Steering Knuckles and Counterweight Specs:

  • Material: Brass
  • Color: Black
  • Quantity: 1set
  • Steering Knuckles Weight: 13g/pcs (0.4oz)
  • Counterweight Weight: 8g/pcs (0.29oz)

Priced at $26.99 for the Brass Steering Knuckle and Counterweight combo, this TRX-4M upgrade is available at

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Posted by in New Products on Tuesday, April 23rd, 2024 at 10:24 am