Fork Spring Kit Fork Cartridges delivering a level of performance

delivering a level of performance that is typically found in high-end racing machines

The YSS CO308 Open Fork Cartridge Kit is a groundbreaking suspension upgrade engineered to completely replace your factory fork internals

Whether navigating tight city streets or cruising on open roads

this kit updates older fork technology to match modern sport performance standards

you can now adjust your fork’s spring preload and damping for a truly custom setup

Fork Spring Kit Fork Cartridges delivering a level of performanceHyperpro 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.