Fork Spring Kit PD Valve nitrogen-filled piggyback reservoir designed to

nitrogen-filled piggyback reservoir designed to handle high-speed riding

hydraulically

It soaks up bumps with an exceptionally sensitive response while remaining composed at speed

Threaded Preload Adjustability: Customize your sag perfectly to your weight (with or without luggage or a passenger) using the included YSS preload pin tool

Affordable Race-Grade Handling: YSS Front Fork Upgrade Kit

Fork Spring Kit PD Valve nitrogen-filled piggyback reservoir designed toHyperpro Fork Spring Kit features high quality progressive springs, expertly crafted for durability and optimal performance. This kit enhances cornering stability, reduces fork dive, shortens braking distances, and extends tire life.