Serpent 500428 - SRX4 Top Shaft 20T Track-Focused Replacement  [SER500428]

Track-ready drivetrain upgrade: Serpent SRX4 Top Shaft 20T

The Serpent 500428 - SRX4 Top Shaft 20T fits the SRX4 chassis and is made to give owners a solid, reliable shaft option. Its precise tooth profile helps reduce drivetrain friction and supports steadier power flow during aggressive runs. The construction aims to handle repeated race sessions.

How this top shaft benefits SRX4 setups

With a 20-tooth layout, the Serpent SRX4 Top Shaft offers improved torque distribution that assists in predictable throttle response and corner exits. It works well with tuned drivetrains where smooth transfer of power is a priority.