Fork Spring Kit YSS is upgraded in the Wilbers

is upgraded in the Wilbers solution to progressive fork springs combined with SKF oil seals and dust caps

The Hyperpro Streetbox includes a progressive front fork spring kit and an adjustable emulsion shock

The Wilbers conversion offers a significantly wider adjustment range compared to the original equipment

With a setup range of 22 clicks

For focused track riding

Fork Spring Kit YSS is upgraded in the WilbersHyperpro 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.