Motorcycle Air Fork Balance Springs

Teknik Balance Springs PSF

Balance Springs PSF

Although lightweight modern air forks use pneumatic pressure as the main spring, they still use steel coil balance springs to linearise response. Air alone produces a very progressive spring rate — firm near full travel but very soft at initial movement. Kayaba introduced the PSF light-wire compression spring to firm the starting force in PSF1 and PSF2 forks.

Improve PSF air fork linearity and top-out protection

Recommended Pairings

Consider matching these balance springs with Suspension Tools for correct setup and tuning.

Shop Balance Springs PSF

Browse our range of PSF balance springs and related tools to tune your pneumatic forks for predictable performance.

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Balance Springs PSF

Although lightweight modern air forks use pneumatic pressure as the main spring, they still use steel coil balance springs to linearise response. Air alone produces a very progressive spring rate — firm near full travel but very soft at initial movement. Kayaba introduced the PSF light-wire compression spring to firm the starting force in PSF1 and PSF2 forks.

Improve PSF air fork linearity and top-out protection

Recommended Pairings

Consider matching these balance springs with Suspension Tools for correct setup and tuning.

Shop Balance Springs PSF

Browse our range of PSF balance springs and related tools to tune your pneumatic forks for predictable performance.