Usage Tips:High-Quality Butyl Rubber: Crafted from premium butyl rubber, this inner tube boasts exceptional elasticity and flexibility. Its high-quality material ensures rapid shape recovery and stable pressure maintenance for a smooth and safe scooter ride. Thickened Blue Stripe Design: Featuring a unique thickened blue stripe design, this inner tube not only enhances aesthetics but also significantly boosts wear resistance and durability. The robust material effectively resists punctures from sharp objects, extending the inner tube's service life for prolonged usage. Perfect Compatibility for Xiaomi Electric Scooter: Carefully engineered to perfectly fit the tire size of the Electric Scooter, this inner tube offers excellent compatibility. Its precise design also allows seamless adaptation to most 8.5-inch scooter tires on the market, expanding its utility across various scooter models. Effortless Installation Process: Designed with user convenience in mind, this inner tube ensures easy installation without the need for additional tools or expertise. Save time and effort with a hassle-free installation experience, enabling you to get back on the road swiftly. Safety-First Approach: Prioritizing user safety above all else, this inner tube undergoes rigorous quality inspections and testing procedures. Rest assured that each unit is meticulously checked to eliminate potential safety hazards such as air leakage. Description: High-quality rubber material ensures excellent elasticity and flexibility for this inner tube, providing stability and safety during scooter rides. The unique thickened blue stripe design enhances wear resistance and durability, protecting against punctures and extending the tube's lifespan. Specifically designed for Xiaomi Electric Scooter, it offers excellent compatibility with most 8.5-inch scooter tires on the market. Easy installation requires no additional tools, saving time and effort. Rigorously tested for safety, this inner tube guarantees a reliable and secure riding experience for users. Item Name: Inner Tube Material: Butyl Rubber Applicable Models: Electric Scooter Features: Thick, Replacement, Straight Valve Stem Size Details: Inner Diameter: 14.2cm(Approx.) Outer Diameter: 20.9cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Inner Tubes