3RACING 3RAC-3PY/21 Aluminium Center Pulley Gear - Track Ready Part  [3RAC-3PY/21]

Boost drive train reliability with 3RACING 3RAC-3PY/21

The 3RACING Aluminum Center Pulley Gear T21, model number 3RAC-3PY/21, upgrades the central drive components of your RC car for increased wear resistance. Built from aluminium to stay light yet durable, it is a practical upgrade for hobbyists who run varied surfaces.

Advantages of aluminium over plastic

Aluminium pulleys retain shape and mesh better under load, supporting consistent gear engagement and less deformation. That stability helps maintain drivetrain efficiency on rough or abrasive tracks compared to plastic options.

Fitment guide and installation tips

This pulley fits many 1/10 scale platforms and installs without major chassis changes. During fitment, check bore fit, set screw positions, and clearances to avoid binding or misalignment.