Serpent 401980 21T Midshaft Pulley for Medius X20 Mini EP [SER401980]

Serpent SER401980 Midshaft Pully 21T X20M

Price:

NZD$10.77

Brand:

Serpent

Model:

SER401980

Condition:

Brand New

Quantity:

Write a review

Description
FAQ

Cleaner power delivery with Serpent 401980

To fine-tune a Medius X20 Mini EP, the Serpent 401980 Midshaft Pulley 21T is a compact, performance-focused spare. It helps smooth torque transmission and lowers component stress during competitive running.

Main advantages of the Serpent midshaft pulley

Compatibility: Tailored to mate with the Medius X20 Mini EP layout for a reliable, plug-in fit.
Durability: Made from quality materials to survive frequent track sessions and rough handling.
Performance: The 21T design delivers a useful compromise between acceleration and top-end speed for balanced handling.

Can I use this pulley on a different chassis layout?

This part is intended for the Medius X20 Mini EP. Using it on a different chassis may need spacer shims or alternate mounting, so measure before attempting fitment.

Should I check gear mesh after fitting?

Yes. After installation confirm gear mesh and alignment to prevent premature wear and to maintain smooth drivetrain action.

What signs indicate the pulley needs replacing?

Watch for rounded or chipped teeth, noisy running or inconsistent power delivery. Any of these indicate it is time to replace the pulley.