MUGEN MRX5 Lightweight 24T 7075 Pulley - AM-MRX5-H0251K by Arrowmax  [AM-MRX5-H0251K]

Arrowmax AM-MRX5-H0251K Pulley 24T 7075 Hard
Price:
AUD$17.47
Brand:
Arrowmax
Model:
AM-MRX5-H0251K
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Component description

The Arrowmax AM-MRX5-H0251K is a 24-tooth pulley for MUGEN MRX5 belt-drive assemblies, produced from 7075 T6 aluminium and treated with a hard coating to enhance surface wear resistance. It is intended for tuning scenarios where reducing rotating mass and maintaining dependable belt engagement are important.

Drainage-style side holes allow particles created by friction to exit the pulley area during running, a straightforward feature that eases on-track servicing. As an aftermarket component it is aimed at reliability and consistent results rather than altering drive ratios.

Fitting advice: check pulley alignment on the shaft, set belt tension according to your MRX5 setup, and secure set screws or fasteners to the recommended torque. Periodic inspection of belts and the mating gear faces will help sustain even drivetrain performance.

Is this pulley suitable for competition use?

Yes, its CNC machining and 7075 material suit demanding use, though final performance depends on your overall drivetrain setup and maintenance.

Should I use threadlocker on the set screws?

Many builders use a light threadlocker to prevent loosening, but follow the chassis makers recommendations for your MRX5 build.

How much does the pulley affect rotating mass?

Machining from 7075 and the overall design reduce rotating mass compared with some heavier spares, which helps throttle response in belt-drive setups.

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