Bicycle bottle cage road bike bicycle aluminum alloy cup holder Specification: brand new and Material: aluminum alloy Size: about 14x7.5 cm Suitable for round pipe diameter 18-35mm Will have a strong influence on deformation and fracture Snakeskin painted, stylish and super tough Installable vehicles: road bikes, mountain bikes,, etc. Equipped with a conversion base, more convenient and many models Package Included: 1 x circulating water bottle rack notes: Due to manual measurement, allow small errors. For different monitors, the color may be slightly different. High-Performance Tires:Upgrade your cycling experience with our high-performance tires. Engineered for optimal grip and durability, these tires ensure a smooth ride on various terrains, enhancing your biking adventures. Ergonomic Saddle for Comfort:Experience unparalleled comfort during long rides with our ergonomic saddle. Designed with rider comfort in mind, it provides the perfect blend of support and flexibility, allowing you to enjoy every journey. Precision Gear Shifting System:Take control of your ride with our precision gear shifting system. Smooth transitions between gears guarantee a seamless cycling experience, allowing you to effortlessly adapt to changing terrains and speeds. Lightweight and Durable Frame:Our bicycle frames strike the perfect balance between lightweight design and durability. Crafted from high-quality materials, they ensure a sturdy yet agile ride, making your cycling adventures both enjoyable and reliable. Advanced LED Lighting System:Illuminate your path with our advanced LED lighting system. Whether you're cycling in low-light conditions or exploring the great outdoors at night, these lights provide enhanced visibility and safety for a worry-free biking experience.