Vintage Speed Upgrade Serpent 903198 - 51T Solid Axle Pulley for Serpent 960  [SER903198]

Serpent SER903198 Pulley Solid Axle 51T Fast
Price:
CAD$13.14
Brand:
Serpent
Model:
SER903198
Condition:
Brand New
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Performance Upgrade for Serpent 960

For enthusiasts seeking a performance edge in their Serpent 960, the 51T solid axle pulley provides a direct rear pulley replacement with a smooth, rib-free profile. It is designed to cut aerodynamic drag and can deliver an increase in top speed of approximately 3km/h, making it a practical tweak for period-correct racing setups.

Disc Profile Cuts Wind Resistance

The composite pulley uses a flat, disc-like form to reduce airflow disruption during rotation. With no ribs or protrusions to catch the air, the pulley turns more freely which helps improve speed and drivetrain efficiency on the track.

 

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What performance change should I expect from this pulley?

Expect a modest but noticeable top speed gain, typically around 3km/h, as the rib-free shape reduces aerodynamic drag on the axle pulley.

Will this fit the standard Serpent 960 rear pulley assembly?

The part is made for the Serpent 960 series as a replacement rear pulley. Verify spline and axle dimensions before trying it on other models.

Any installation or setup tips?

Use common shop tools, ensure the pulley seats correctly and spins without wobble, and run cautious test passes to confirm improving top speed and drivetrain smoothness.

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