Wilbers Powered by ZF Open Cartridge Kit WESA Why Choose the YSS CO208

Why Choose the YSS CO208 Cartridge Kit

We increase usable travel and refine damping to prevent harsh impacts and high-speed oscillations

the RE302 uses high-pressure nitrogen gas emulsion

Only the best materials are used to deliver the renowned Wilbers quality with an outstanding price-to-performance ratio

these springs are specifically calibrated to support your bike's weight

Wilbers Powered by ZF Open Cartridge Kit WESA Why Choose the YSS CO208BMW F Series one sided cartridge kit. Because the current F Series uses asymmetrical fork legs, our solution fits a cartridge only on the right side. On the left, the stock spring is replaced with a progressive Wilbers Zero Friction spring; on the right, the non adjustable cartridge is upgraded to a Wilbers powered by ZF open cartridge with adjustable rebound and spring preload. Combined with Wilbers Zero Friction fork oil, you get a much more