This brass 7mm wheel hex hub extender set is produced as an aftermarket accessory for TRAXXAS TRX4M models. The parts deliver a +1.5mm offset and function as front and rear hex adapters to mate the front CVD and rear driveshaft to wheels without cutting the axle housings.
The chosen material and profile make the set useful when you want modest track widening or neater wheel clearance on scale crawlers. Installation is straightforward: swap the stock hex for the brass adapter and lock it with the supplied pins to retain the wheel under common trail conditions.
They are ideal for tuning tyre fitment and stance on 1/18 TRX4M scale platforms while keeping fitment within standard RC practice.
9750
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