The Arrowmax AM-MRX5-H0251K is a 24-tooth pulley designed for MUGEN MRX5 belt-drive systems, CNC-machined from 7075 T6 aluminium and finished with a hard coating to improve surface wear resistance. The item is targeted at tuning and maintenance scenarios where dependable belt engagement and lower rotating mass are beneficial.
Built with side holes to expel debris generated during operation, the pulley helps simplify routine maintenance between runs. As an aftermarket spare it emphasises robustness and repeatable operation over changing gearing ratios.
Fitting notes: ensure the pulley is aligned on the shaft, set belt tension per your MRX5 configuration, and tighten set screws or fasteners to the chassis makers guidance. Regular checks of the belt and mating gear faces will maintain consistent drivetrain behaviour.
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