Mugen MRX-5 21T Second Gear by Arrowmax AM-MRX5-H0762  [AM-MRX5-H0762]

Precision 21T Second Gear Built for Mugen MRX-5

Arrowmax presents the AM-MRX5-H0762 21T second gear engineered for Mugen MRX-5 owners who want reliable drivetrain parts. Manufactured from 7075-T6 aluminum, the piece balances strength and weight while the hard-coated surface helps resist everyday wear from racing and practice sessions.

How the Arrowmax 21T Enhances Drivetrain Efficiency

This 21T gear is machined to match the MRX-5 spur gear profile closely, producing consistent mesh and lower friction across the gear train. It is offered in multiple tooth counts so racers can dial in gearing for different track conditions and motor setups.