Retro Track Pulley Serpent 903198 - 51T Solid Axle Pulley for Serpent 960  [SER903198]

Serpent SER903198 Pulley Solid Axle 51T Fast
Price:
AUD$14.24
Brand:
Serpent
Model:
SER903198
Condition:
Brand New
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Simple Aerodynamic Upgrade for Serpent 960

The 51T solid axle pulley is an uncomplicated upgrade for the Serpent 960 rear pulley. By replacing the stock part with a rib-free composite disc, it reduces wind resistance and can provide roughly a 3km/h improvement in peak speed under the right conditions.

Disc Design Keeps Airflow Clean

The pulley features a smooth, disc-like external surface that avoids the turbulence caused by ribs or grooves. This clean profile allows the pulley to turn with less aerodynamic drag, aiding higher top speed and more efficient rotations.

 

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Does this replace the original rear pulley directly?

Yes, it is intended as a direct replacement for the Serpent 960 rear pulley, though you should confirm fitment against your axle and spline before fitting.

Will this change belt or gear wear?

The pulley reduces aerodynamic drag but does not alter gear mesh. Normal wear patterns continue; inspect belts and gears after installation as part of routine maintenance.

Any setup advice for vintage racing use?

Fit the pulley securely, check for lateral play, and run a few test passes to confirm improved top speed and smooth rotation on your usual track surface.

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