Serpent SER903733 57T XLI Gen2 2-Speed Gear for Viper 989 GP  [SER903733]

Track-Focused Upgrade for Viper 989 GP

The Serpent SER903733 2-speed gear with 57 teeth is a straightforward upgrade for the Viper 989 GP, built to integrate with the XLI Gen2 system. It helps deliver consistent torque and cleaner shifts for track sessions.

Fitment and Applications

This gear is manufactured to fit the Viper 989 GP with minimal modification, making it suitable for club racing and dedicated practice. Use it when you want predictable gear engagement under load.

Installation Pointers

Before fitting the 57T gear, clean mating parts and inspect the pinion for wear. Set proper mesh and recheck after a few runs to prevent excessive friction and prolong gear life.