This pulley set is offered as an RC-scale replacement for MUGEN MTX chassis where a hardened 7075 aluminium pulley is required. It is intended as a direct-fit option to address worn pulley surfaces and to let tuners refine engagement without modifying chassis geometry.
Designed around transmission tuning, swapping the stock pulley enables comparison of engagement feel and assessment of durability during normal track or trail running. Before fitting, inspect the mating shafts, bearings and surrounding areas on your MTX to ensure correct alignment and seating.
Installation follows standard MTX service steps: remove the old pulley, examine shafts and bearings, install the new pulley and verify free rotation and correct mesh. Perform a short checkpoint at low throttle to detect any play or binding, then re-check all fasteners prior to full operation.
Fit this part when you want a hardened 7075 aluminium contact surface at the pulley location to evaluate service life or subtle drivetrain response changes while tuning.
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