JBI Blog

How exactly does the MXT PSF to SFF Fork conversion work? The MXT PSF to SFF Fork Conversion is accomplished by removing the KYB PSF fork cartridge damper in one fork and replacing it with the MXT SFF Spring Setup. This fork will now perform as the fork spring similar to the Showa SFF fork. The other fork which contains the KYB PSF damper cartridge receieves valving modifactions for the new setup. …

Here is the first look at the production JBI Pro Perch fork upgrade that improves bottoming feel and resistance in KYB, Showa, and WP twin chamber forks.

MXT PSF Huckvalve made by MX Tech improves the hydraulic bottoming circuit resulting in better bottoming feel and resistance.

KYB PSF Air Fork Technical Guide