Compatible models: Motorcycle Cup Holder for for Kawasaki Z900RS Automatic adjustment: Thanks to an intelligent spring system, the adaptive bottle holder automatically adjusts to the diameter of your water bottle (55–75 mm) and secures it firmly—completely vibration-free—even at high speeds and on bumpy roads. Versatile use: Perfectly suited for long tours, daily commutes, and off-road adventures, keeping your thermos, coffee mug, or sports bottle within easy reach and secure against spills. Flexible mounting: Lightweight and portable, it mounts quickly to the handlebars without tools, allowing easy access to drinks while cycling, racing, or on long outdoor rides. Professional team: We always prioritize the highest quality standards for our products and offer professional customer service. If you have any questions or concerns, please feel free to contact us via Amazon at any time.