Tamiya 3451516 Precision Center Pulley 20T TRF421 Upgrade  [3451516]

Fine Tune Your RC Drivetrain with Tamiya 3451516

The Tamiya 3451516 Center Pulley is a precision part made for the TRF421 chassis. Its 20-tooth layout is engineered to keep drivetrain operation smooth and dependable, whether you are prepping for a race or doing routine maintenance. This pulley is a practical upgrade for hobbyists focused on consistent lap times and low maintenance.

Improved Power Transfer

The 20-tooth profile on this Tamiya pulley balances torque and speed to lower stress on adjacent gears and bearings. That efficient power routing helps extend the life of the drivetrain and keeps the car predictable under load.

Direct Fit for TRF421

Made specifically for the TRF421 chassis, the pulley installs without modification and aligns correctly with the stock layout. This direct compatibility makes it a straightforward swap during an upgrade or rebuild.

Built to Withstand Racing

Constructed from durable materials, the center pulley handles repeated use under race conditions while maintaining dimensional stability. Its construction helps ensure consistent engagement and minimal slop over time.