Serpent SER903771 XLI Gen2 2-Speed Gear Set (6) for SRX8GT R GP - Track Ready  [SER903771]

Shift control upgrade for Viper 989 GP

Racers and hobbyists using the Serpent Viper 989 GP can benefit from the Serpent SER903771 2-speed gear set, which focuses on delivering steady, predictable gear changes. It is suited to both club racing and practice sessions.

Specifically matched to the Viper chassis

The SER903771 gear set is produced to interface correctly with the Viper 989 GP drivetrain, giving better shift timing and helping preserve handling balance during acceleration phases.

Built to handle racing conditions

Constructed from durable materials and finished for reliable engagement, the SER903771 set is intended to tolerate frequent shifting while maintaining smooth operation for longer service intervals.