Serpent 804113 Middle Pulleys Set 18T & 21T - Performance Replacement  [SER804113]

Performance Middle Pulleys with Tough Construction

The Serpent 804113 Middle Pulleys Set combines reinforced nylon strength with precise manufacture to keep your drivetrain performing. The set includes both 18T and 21T pulleys to cover common tuning needs.

True Running with Self-Cleaning Reliefs

Machined for accurate rotation, these pulleys lower friction for steadier power transfer. Side relief holes help eject dust and small debris so the pulley faces remain cleaner for longer service life.

Suited to Servicing and Gear Ratio Tweaks

These pulleys are a practical choice when replacing worn parts or experimenting with different gear ratios. Their robust build ensures they stand up to frequent use in club or race environments.