Koswork Rear 61mm Set AE (1.8/1.9/2.0/2.3 lb/in, 12/13mm) RC Shock Spring Set - KOS04851RSET TR325 Receiver If your TRX-4 is showing

If your TRX-4 is showing signs of stripped teeth

Tamiya 1/10 scale rally chassis

this direct replacement part gets your model back on the road without the need to source a complete gearbox assembly

Sold as a matched pair covering both left and right rear positions

The Traxxas TRX2758 rear suspension arms are heavy-duty left and right replacements designed for Traxxas RC models where stock arms have cracked or snapped under hard use

Koswork Rear 61mm Set AE (1.8/1.9/2.0/2.3 lb/in, 12/13mm) RC Shock Spring Set - KOS04851RSET TR325 Receiver If your TRX-4 is showingThe Koswork KOS04851RSET Rear Shock Spring Set is a multi rate spring kit designed for Associated Electrics RC cars running 12mm or 13mm rear shocks. The set covers four spring rates 1. 8, 1. 9, 2. 0, and 2. 3 lb in each at 61mm in length, giving you a practical range of tuning options without needing to order individual springs separately. If you're dialling in rear suspension feel on an Associated Electrics buggy or truck, this set lets you work