Serpent 804112 2-Speed Shaft Pulley Upgrade  [SER804112]

Serpent SER804112 Pully 2speed Shaft 20+21T (2)
Price:
£4.67
Brand:
Serpent
Model:
SER804112
Condition:
Brand New
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Accurate 2-Speed Pulley Set for Consistent Drivetrain Operation

Favoured by model drivers who prioritise reliability, the Serpent 804112 2-speed shaft pulleys offer a solid replacement option. Reinforced nylon construction maintains true running, and the side vents allow dust to exit rather than settle inside moving parts.

Strength and Smooth Running

The Serpent 804112 pulleys are built to withstand repeated use, supporting steady shaft rotation and reducing the chance of premature drivetrain wear. Their construction helps preserve smooth performance session after session.

Compatibility and Accessory Options

These pulleys are compatible with a variety of Serpent models, making them useful for repair or upgrade projects. They can be used alongside the Brake Pulley Adaptor Aluminum (#804169) where an aluminium adaptor is required for brake setups.

Inspect them after heavy use and replace if you notice visible wear, cracking or wobble that could affect drivetrain stability.
The holes are sized to help debris escape without compromising structural integrity when used as intended.
Many older and current Serpent models accept these pulleys, but always double check shaft dimensions and mounting details to ensure compatibility.
Yes, they work with the Brake Pulley Adaptor Aluminum (#804169) where an aluminium adaptor is specified; verify alignment during installation.

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