Samix TRX-4M Brass Heavy Steering Knuckles Constructed from CNC machined brass these knuckles improve climbing performance and stability by lowering the center of gravity of your TRX-4M. These knuckles offer an additional 10g of weight each while improving the durability and precision of steering components. Package includes two brass steering knuckles.

• Better center or gravity and forward weight bias for climbing
• Better durability and rigidity over the factory parts
• Made of high quality brass and etched with L and R for ease of installation
• Will work with factory TRX-4M parts and Samix brass upgrades
• Black coating to help prevent corrosion