3RACING Aluminium Centre Pulley Gear T27 3RAC-3PY/27 - Racing Grade Component  [3RAC-3PY/27]

3RACING Aluminum Center Pulley Gear T27 - 3RAC-3PY/27
Price:
USD$7.60
Brand:
3Racing
Model:
3RAC-3PY/27
Condition:
Brand New
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3RACING 3RAC-3PY/27 Technical Overview

The 3RACING Aluminum Center Pulley Gear T27, designated 3RAC-3PY/27, is produced to support competitive drivetrains that rely on consistent 27-tooth centre engagement. It is intended for users seeking a robust, low-mass pulley that maintains accurate tooth form under load.

Material and Performance Advantages

Using aluminium reduces susceptibility to deformation while keeping rotating inertia low. The 3RACING 3RAC-3PY/27 provides improved surface durability versus polymer counterparts, which helps maintain mesh precision during extended runs.

Fitment, Mesh, and Setup Guidance

Confirm shaft diameter and mounting interface prior to installation. Set mesh with minute adjustments and secure fasteners to specified torque; re-inspect after initial break-in laps to verify retention and alignment.

Application Notes for Tuners

For racers, swapping to the 3RACING 3RAC-3PY/27 can reduce drivetrain wear and contribute to repeatable lap times by preserving consistent engagement. Consider complementary upgrades such as high-quality bearings and properly sized drive components.

Check axial runout, confirm even tooth contact, and verify that set screws or retaining hardware are torqued to spec. Reassess after a short break-in period.
Pair the pulley with low-friction bearings, properly matched pinions, and a rigid mounting bracket to maximise drivetrain consistency and reduce unwanted deflection.
Aluminium dissipates heat more readily than plastic and resists deformation under heat and load, which helps retain precise tooth geometry and limits accelerated wear in high duty cycles.