Serpent 500428 - SRX4 Top Shaft 20T Precision Drivetrain Upgrade  [SER500428]

Smoother drivetrain performance with the Serpent SRX4 Top Shaft 20T

The Serpent 500428 - SRX4 Top Shaft 20T is engineered to mate cleanly with the SRX4 chassis, giving RC racers a dependable replacement or upgrade part. It helps the drivetrain deliver power more evenly, which reduces driveline lash and improves on-track response under load. Built for endurance, it stands up to repeated race use.

Main advantages of the Serpent SRX4 Top Shaft

Racers choosing the Serpent SRX4 Top Shaft 20T get a carefully finished 20-tooth gear that supports even torque delivery across the drivetrain. That balance makes steering and speed transitions more predictable, useful for tight lap times and consistent runs.