3RACING 3RAC-3PY/21 Aluminium Centre Pulley Gear - Off Road Favourite  [3RAC-3PY/21]

Durable aluminium pulley for RC drivetrains 3RACING 3RAC-3PY/21

The 3RACING Aluminum Center Pulley Gear T21, model number 3RAC-3PY/21, is crafted to extend the life of central drivetrain components while minimising extra mass. Its aluminium build offers improved resistance to wear and helps preserve consistent power transfer on mixed terrain.

Why aluminium improves drivetrain longevity

Compared with plastics, aluminium provides superior wear resistance and keeps its profile under heat and load. That stability cuts down on slop and unexpected failures during long runs, making it a dependable upgrade for regular drivers.

Compatibility checks and quick fitting

Designed for broad 1/10 scale compatibility, this pulley is straightforward to fit. Confirm spline size and bore clearance, tighten set screws to the recommended torque, and recheck alignment after the first few runs.