This rear axle shaft is supplied as a replacement for MRX5 chassis under the Arrowmax designation AM-MRX5-H0277-Al. The AM-MRX5-H0277-Al variant is manufactured from 7075-T6 aluminium to provide reduced mass along with improved dimensional strength versus softer metal options.
The shafts serve as the final connection from gearbox output to the universal joints, so they influence both drivetrain stiffness and the car's rotational mass. They are provided as a matched pair so both rear sides use the same alloy and geometry for stable handling characteristics.
Installation follows the usual MRX5 rear axle routine: remove wheel and hub, pull the existing shaft from the drive cup, then install the new axle ensuring proper seating in drive cups and bearings. Once fitted, confirm free wheeling and check for binding over the full suspension travel before competitive running.
Select this aluminium axle set when you want consistent rear drivetrain performance on MRX5 models; pair them with correct bearings and universal cups to achieve predictable handling.
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