Bike Tire and Tube Kit: Includes (2 Pack) 18" X 1.95 outer tires and (2 Pack) 18" x 1.75 to 2.125 inner tubes. Universally designed to fit common bicycles, with the outer tire at 18" x 1.95 and the inner tube accommodating sizes 18" x 1.75/1.95/2.125 with 32mm Schrader Valve. Enhanced Performance Design: Our tires feature ground-gripping particles on the sides for excellent traction on varied terrain, while central ridges minimize resistance, optimizing speed for urban rides. Crafted from robust, puncture-resistant rubber, these tires ensure a secure journey. Reliable Butyl Rubber Tube: Our inner tube, made from high-quality butyl rubber, withstands pressures from 40-60PSI. It excels in airtightness, tear resistance, and heat tolerance, these tubes maintain tire inflation throughout your ride, preventing air leakage. All-Terrain Performance: Engineered for 18" Mountain/Off Road Bike tires, our treads offer exceptional performance across various terrains, including paved roads, dirt paths, snow, and sand. Experience optimal traction and stability for year-round, all-terrain adventures. Universal Compatibility and Reliability: Ride with confidence knowing our meticulously inspected bike tires and tubes are perfect replacements for various bike types, including beach cruisers, mountain bikes, commuters, and road bikes. Enjoy a stable, comfortable, and secure riding experience with our reliable components. please check carefully for the details and size before purchase. CALPALMY Combo 18" x 1.95 Bike Tire and Tube, (2+2) Replacement 18" Bike Tires and Tubes Fit 1.75/1.95/2.125 with AV 32mm Valve, Compatible with Mountain/Off Road Bike and Most Bicycle Tire and Tubes