NIU scooter owners, let's talk about ending flat tires forever! These RidTianTek solid tires are built specifically for KQi3 Pro, Max, and Sport models, and they're completely puncture-proof since, well, they're solid rubber. No more worrying about nails, glass, or other road hazards that leave you stranded. The 9.5x2.50 size matches your original tires, and the deep tread pattern provides great traction in various conditions, including light rain. Now, fair warning - installing solid tires is NOT easy and requires some muscle and technique. The inner diameter is slightly smaller than the hub (which is normal), so you'll need to soften them in hot water first and use proper tire tools. Each tire weighs about 2.33 pounds and can support 165 pounds, so they're sturdy enough for most riders. The rubber compound is wear-resistant and handles temperature changes well. Once installed, you get good shock absorption and a comfortable ride considering they're solid. The tubeless design means no inner tubes to worry about, and the thickened sidewalls add durability. Available in three colors if you want to customize your scooter's look. Just be realistic - watch installation videos first and make sure you have the right tools before attempting this yourself. Some people prefer to have a bike shop handle the installation. But once they're on, you're set for thousands of miles without ever worrying about flats again. Perfect for commuters who depend on their scooter and can't afford downtime from punctures. Total peace of mind for daily riding!