Premium 8.5-inch thickened inner tube designed for Xiaomi M365 Pro2/1S/Essential electric scooters. High-grade rubber construction ensures superior puncture resistance and extended durability. Precision-engineered valve stem guarantees airtight performance for consistent pressure maintenance. Reinforced sidewalls prevent pinch flats during high-speed rides or rough terrain navigation. Seamless mold technology eliminates weak points for reliable long-term use. Ideal for urban commuters and last-mile delivery riders seeking enhanced scooter reliability. OEM-compatible design ensures perfect fit with original tire dimensions (50-156). Optimized thickness balances weight savings with impact absorption.