Serpent 803136 21T Pulley and Shim Kit for Vintage 720-09 GP [SER803136]

Serpent SER803136 Pulley / Shim 21T 2-speed Side

Price:

£4.35

Brand:

Serpent

Model:

SER803136

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

Improve Two-Speed Performance with Serpent 803136

The Serpent 803136 pulley and shim set is aimed at improving the drivetrain behaviour of your vintage 720-09 GP model. It promotes cleaner gear engagement in the two-speed transmission so the car responds more consistently under acceleration.

Notable Features

Compatibility: Compatible with the Serpent Vintage Series 720-09 200mm GP models.
Precision Engineering: The 21T pulley profile aids reliable and repeatable shifting action.
Durability: Made to cope with the demands of regular racing and club sessions.

Does this replace the original pulley on the 720-09?

Yes, this pulley and shim set is designed for use with the Serpent Vintage Series 720-09 200mm GP models and can replace the factory pulley when correct shimming is applied.

Are special tools required to fit it?

No specialised tools are usually needed, though a set of basic hand tools and a feeler gauge for checking shim clearance will help ensure correct installation.

How can I tell when the pulley needs replacing?

Look for uneven engagement, excessive play, or visible wear on the pulley groove. If shifting becomes inconsistent, inspect the pulley and shims and replace if needed.