Serpent 904212 18T Pulley Adaptor for S990E - Drivetrain Tuning Part  [SER904212]

Serpent SER904212 Pulley Adaptor 18T S990E
Price:
NZD$14.82
Brand:
Serpent
Model:
SER904212
Condition:
Brand New
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Dial In Your S990E Drivetrain with Serpent 904212

The Serpent 904212 18T Pulley Adaptor is crafted to position the pulley correctly on the S990E chassis, helping to cut binding and improve power transfer. Its snug fit makes it useful for track-side adjustments or workshop setup sessions. Keep it paired with your regular checks to maintain consistent performance.

This part is intended for the S990E. If you want to use it on a different chassis, compare the mounting points and pulley spacing before attempting installation.
Check gear mesh, look for play at mountings, and verify pulley runout after a few runs. Regular inspection catches issues before they affect lap times.
Basic hand tools used for drivetrain work are usually sufficient. Make measured adjustments rather than forcing parts into place to avoid misalignment.
When fitted correctly the adaptor helps the gears mesh more cleanly, which can reduce noise and give a more predictable throttle response on corner exit.

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