TRX-4M brass heavy steering knuckle

Upgrade your TRX-4M with the TRX-4M Brass Steering Knuckles from Samix. These knuckles add 10g per side, improving the center of gravity and forward weight bias for better climbing performance. The brass construction offers improved durability and rigidity compared to the factory plastic parts, and they are etched with L and R for easy installation. These knuckles are compatible with factory TRX-4M parts as well as other Samix brass upgrades. The black coating helps prevent corrosion. Please note that the factory bushing may not fit and any brand bearing should be used. These knuckles are compatible with Samix Alum. Brake Rotor & Caliper (TRX4M-6412) and all Samix wheels.