3RACING 3RAC-3PY/45 T45 Racing Pulley - Performance Upgrade  [3RAC-3PY/45]

3RACING Aluminum Differential Pulley Gear T45 - 3RAC-3PY/45
Price:
USD$8.80
Brand:
3Racing
Model:
3RAC-3PY/45
Condition:
Brand New
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Technical Overview of the 3RACING T45 Racing Pulley

The 3RACING Aluminum Differential Pulley Gear T45 is engineered to provide predictable drivetrain behaviour under sustained load. Manufactured to serve competitive and serious club drivers, the pulley offers a durable alternative to polymer components where consistent performance is required.

Engineering and Material Considerations

Using aluminium reduces flex compared with plastic pulleys and improves heat dispersion from frictional areas. These material choices support tighter tolerances and a more stable engagement profile during aggressive driving or long race heats.

Fitment, Setup and Tuning Use

The T45 is compatible with a broad range of standard RC assemblies and is useful as part of a tuning package aimed at reducing drivetrain lash and improving throttle response. For racing use, confirm shaft bore and mounting clearances and inspect for concentricity after installation.

What tuning benefits does the 3RACING 3RAC-3PY/45 deliver?

The 3RACING 3RAC-3PY/45 offers reduced drivetrain compliance and improved heat handling, which translates to more consistent lap times and reduced variation between runs.

Are there setup checks recommended after fitting?

Verify bore alignment, bearing preload and runout. A static spin test followed by low speed runs will reveal any imbalance that could affect handling at speed.

Is additional modification needed for competitive use?

Most installations are bolt in, but precision shimming or light polishing of mating surfaces can help achieve optimal meshing and minimise parasitic losses in race setups.