Install the Arrowmax AM-MRX5-H0758 17T clutch pinion on a Mugen MRX-5 to sharpen drivetrain response and reduce unnecessary mass. Crafted from 7075-T6 aluminium, it balances low weight with the durability hobbyists expect for regular track use.
The Arrowmax 17T pinion gets a protective hard coat that helps preserve tooth profile and maintain steady contact with the MRX-5 spur gear. That stability keeps power transfer predictable lap after lap.
Available in multiple tooth counts, this pinion lets you alter the ratio to favour acceleration or top speed depending on the course. Changing pinions is an effective tuning step for any Mugen MRX-5 setup.
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