Mugen MRX5 Front Upper Arm Shaft (Spring steel) by Arrowmax AM-MRX5-H2106  [AM-MRX5-H2106]

Front upper arm shaft for MRX5

This Arrowmax option part is an RC-scale front upper arm shaft produced for the Mugen MRX5 chassis. Made from spring steel and finished with a titanium nitride coating, the shaft is intended to reduce bearing and bushing friction while improving wear resistance in the front suspension linkages.

Use this shaft when replacing worn pivot hardware or when rebuilding the front suspension to retain precise steering geometry. The part is supplied as 2 pcs to fit both left and right arm assemblies on the MRX5 front setup.

Installation notes: install using the original retaining clips or pins from the chassis, verify free movement through the arm travel, and check for binding after assembly. The coated surface helps maintain smooth operation with common RC greases and light oils used on pivot areas.