This is an RC-scale 18T pulley intended for use with the MTX-4 chassis drive components. The description focuses on the pulley’s role in the drivetrain, fitment to MTX-4 layouts, and practical considerations for replacing worn or different-tooth count pulleys during setup changes.
Fitment and function: the pulley is specified for MTX-4 compatibility only, and its 18-tooth count defines the resulting gear ratio when paired with the existing pinion/spur configuration. When swapping pulleys, expect a direct change to driven gear ratio and rotational speed characteristics in the model’s transmission path.
Installation notes and tuning role: installation typically involves removing the related drive components to access the pulley position, confirming alignment, and ensuring secure fastening to the drive shaft or hub used on the MTX-4 layout. Use the pulley to fine-tune acceleration versus top speed and to replace worn drivetrain parts; seek matching tooth profiles and secure seating to avoid slippage under load.
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