Serpent 802171 21T Mid Side Aluminium Pulley and Shim Vintage Series  [SER802171]

Serpent SER802171 Pulley/shim 21T mid Side Aluminium
Price:
£15.38
Brand:
Serpent
Model:
SER802171
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Precision replacement for classic 720-09 chassis

The Serpent 802171 aluminium pulley and shim set is produced for the vintage 720-09 200mm GP series, offering a robust replacement part suitable for restoration projects and track use.

Aluminium build for strength and reduced mass

Manufactured from aluminium, the 21T pulley and accompanying shim combine superior rigidity with a lighter profile than many stock options. That balance helps preserve drivetrain efficiency and control.

Designed to suit original GP configuration

Specifically matched to the Serpent 720-09 200mm GP model, this pulley and shim install into the original arrangement, making them a straightforward upgrade for classic racers.

Is this compatible with other Serpent period models?

The part is intended for the 720-09 200mm GP chassis. Some period models with similar geometry may take it, but compatibility should be verified case by case.

What checks should I do after fitting?

After installation, check for free rotation, correct shim spacing and any side play. A short test run and a recheck of fasteners will ensure reliable operation.

Can I upgrade this further with other parts?

Many hobbyists pair stronger pulleys with quality bearings and hardened shafts. Consider matching upgrades that preserve alignment and load distribution for best results.

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