Precision Arrowmax AM-MRX5-H0762 21T Gear for Mugen MRX-5 [AM-MRX5-H0762]

Arrowmax AM-MRX5-H0762 2nd. Gear 21T (7075 HARD)

Price:

£4.55

Brand:

Arrowmax

Model:

AM-MRX5-H0762

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Spares / Hop-ups - Mugen Seiki - MRX-5

High Precision 21T Second Gear for Mugen MRX-5

The Arrowmax AM-MRX5-H0762 21T second gear is made to complement the Mugen MRX-5 drivetrain. Crafted from 7075-T6 aluminium and given a hard-coated finish, it aims to provide a stable, long-lasting gear surface for repeated track use.

Performance and Compatibility Details

Engineered with close tolerances, this 21T gear encourages consistent contact with MRX-5 spur gears to lower friction and noise. It is supplied in tooth variations so you can adjust final drive ratios to suit circuit style and motor characteristics.

How does the hard-coating affect wear on the gear?

The hard-coating reduces surface abrasion and helps the gear maintain profile over many runs, which is beneficial for consistent performance.

Can I mix this with aftermarket spur gears?

Yes, it pairs with most MRX-5 compatible spur gears, but confirm tooth counts and check mesh after fitting to avoid excessive wear.

What maintenance keeps the gear performing well?

Regular inspection for burrs, cleaning out grit, and rechecking mesh will extend service life and keep drivetrain losses down.

Is fitting straightforward for hobbyists?

Yes. Installation follows the same steps as stock gears, but take time on mesh adjustment and use appropriate shims for best results.