Fork Spring Kit Steering Dampers and fine-tune your bike's steering

and fine-tune your bike's steering geometry and seat height with the built-in length adjuster (+/- 5mm)

Why Choose the YSS CO308 Cartridge Kit

We retain linear fork springs but choose a slightly firmer rate and pair it with Wilbers Zero Friction fork oil and an adjusted air chamber

At maximum compression speed

Because the current F-Series uses asymmetrical fork legs

Fork Spring Kit Steering Dampers and fine-tune your bike's steeringHyperpro 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.