Serpent 803136 21T Pulley and Shim Set for Vintage 2-Speed Transmissions [SER803136]

Serpent SER803136 Pulley / Shim 21T 2-speed Side

Price:

CAD$8.06

Brand:

Serpent

Model:

SER803136

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Spares / Hop-ups - Serpent - Vintage Series - 720-09 200mm GP (SER803009)

Serpent 803136 21T Pulley - Smooth Two-Speed Operation

The Serpent 803136 pulley and shim set is made to improve the running quality of your vintage 720-09 GP model. It helps deliver more consistent gear engagement in the 2-speed transmission so your classic racer shifts cleaner and responds predictably on track.

Performance Highlights

Compatibility: Tailored for the Serpent Vintage Series 720-09 200mm GP models.
Precision Engineering: The 21T pulley profile supports accurate and dependable gear transitions.
Durability: Designed to handle the stresses found in spirited racing and club runs.

Will this pulley fit other Serpent gearboxes?

This pulley is specifically designed for the Serpent Vintage Series 720-09 200mm GP models. For other gearboxes check clearances and spline fit before fitting.

How does the 21T size affect shifting?

The 21T profile provides a stable engagement point that helps the two-speed system switch gears with less slop, improving feel and consistency.

Any tips for installation and maintenance?

Install with the correct shim stack and check mesh during trial runs. Keep the pulley and shims clean and inspect for wear after extended running sessions.