MUGEN MRX5 Front Hub Upright - Arrowmax AM-MRX5-H2112  [AM-MRX5-H2112]

MRX-5 front hub upright

This Arrowmax AM-MRX5-H2112 upright is an RC replacement part built for the MUGEN MRX5/MRX-5 family. It acts as the mounting interface for the front hub and steering linkages and directly affects toe and camber behaviour under suspension movement.

Installation follows normal MRX-5 maintenance: remove the original upright, transfer bearings and steering inserts, and secure this unit with the original mounting hardware. After fitting, inspect link lengths and ball stud locations to ensure proper steering alignment and to prevent binding.

For tuning, the upright changes steering feel and front grip by modifying scrub radius and how camber changes under load. Make one setup change at a time and record servo throw, steering geometry and suspension settings to understand handling differences.