Serpent SER903638X 63T 2-Speed Gear for Viper 989 GP - Track Focused  [SER903638X]

Serpent SER903638X 2-speed Gear 63T SL8 XLI V2
Price:
£5.46
Brand:
Serpent
Model:
SER903638X
Condition:
Brand New
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Optimise Viper 989 GP Shifting with Serpent 63T 2-Speed

The Serpent SER903638X 63T 2-speed gear is a direct-fit option for drivers intent on tidy, repeatable shifts in the Viper 989 GP. Its precision profile helps maintain consistent engagement across a variety of track conditions.

Compatibility Guidance

Specifically machined for the Viper 989 GP transmission layout, the 63T gear installs cleanly and sits true with existing shafts and bearings. Correct alignment will limit wear on mating gears and supporting components.

Consistent Power Transfer

Designed to provide reliable torque flow through the gearbox, the 63T gear supports consistent lap times and reduces drivetrain losses. It is appropriate for racers and serious hobbyists seeking predictable transmission behaviour.

Will fitting this gear change my effective gear ratio?

The 63T gear affects the gearbox stage it occupies but does not alter spur sizes; the overall ratio depends on the combination of pinion and spur gears used alongside the SER903638X.

What checks should I run after installation?

Inspect tooth contact pattern, verify selector indexing, and run at low speed to ensure smooth transitions before returning to full-speed sessions.

Are upgrades needed to use this gear reliably?

Most standard Viper 989 GP gearboxes accept the SER903638X without extra reinforcement, though hardened shafts and fresh lubrication are recommended for intensive racing use.

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