Serpent 903896 - Viper 990R Aluminum 2-Speed Bearing Block Track Upgrade  [SER903896]

Race-focused bearing block for the Serpent Viper 990R

Fit this precision-machined aluminum 2-speed bearing block to a Serpent Viper 990R to tighten drivetrain alignment and reduce flex under load. Its solid construction helps smooth gear transitions and increases resistance to wear during hard laps. Recommended for experienced racers who want more predictable handling and reliable shifting.