The Arrowmax AM-MTX5-T2712 is a 21T second gear precision machined from 7075 hard aluminum to strengthen the Mugen MTX-5 transmission. It offers a robust replacement that helps resist wear during extended race sessions and spirited driving.
7075 hard aluminium is valued for its high strength and resistance to fatigue, which helps keep gear teeth from deforming under load. That durability translates into fewer replacements and steadier gearbox behaviour.
Made to match MTX-5 dimensions, this Arrowmax second gear installs cleanly and promotes correct meshing with the rest of the drivetrain. That precise fit reduces the chance of slipping and supports predictable throttle response.
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