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If you're into RC crawling and you've got a TRX4M, you know that little upgrades can make a big difference.


Brass is heavier than the stock steel nuts, so it adds a little low-down weight – that helps with stability and traction on the rocks.
They're CNC machined for precision, so the threads are clean and the fit is spot-on.


The gold finish looks cool too, especially with black or brass wheels.


4 out of 5