【700C SIZE COMPATIBILITY】 Fits 700C / 28" bike tires with 28mm–32mm width, including 700x28C, 700x30C, 700x32C, and ISO/ETRTO 28-622, 30-622, 32-622; Also fits select 28" markings such as 28 x 1.10, 28 x 1.20, 28 x 1.25, 28 x 1-5/8 x 1-1/8, and 28 x 1-5/8 x 1-1/4 when the ISO size matches; Please check your tire sidewall before ordering 【48MM SCHRADER VALVE】 Features a 48mm Schrader valve, also known as a regular or car-style valve; Easy to inflate with most standard bike pumps; Please confirm your bike uses Schrader valves, not Presta valves, before purchase 【DURABLE BUTYL RUBBER】 Made from quality butyl rubber to help maintain tire pressure, reduce frequent inflation, and support dependable everyday riding for compatible 700C tires 【2-PACK REPLACEMENT SET】 Includes 2 bike inner tubes and 2 tire levers, giving you one tube for immediate replacement and one extra for future flats; Tire levers help make tube changes easier; Pump not included 【READY FOR EVERYDAY RIDES】 Great for bikes with compatible 700C tires, including road, commuter, city, hybrid, fitness, and touring bikes; A reliable choice for daily rides, casual cycling, and routine tire maintenance 【INSTALLATION TIPS】Slightly inflate the tube before installation to help it keep shape; Insert the valve straight through the rim hole, tuck the tube evenly into the tire, check that it is not pinched, then inflate to the PSI shown on your tire sidewall Keep your bike ready for daily rides with this 2-pack 700C bike inner tube replacement set. Designed for compatible 700C / 28" tires with 28mm–32mm width, these tubes fit common tire markings such as 700x28C, 700x30C, 700x32C, and ISO/ETRTO sizes including 28-622, 30-622, and 32-622. They also fit select 28" markings such as 28 x 1.10, 28 x 1.20, 28 x 1.25, 28 x 1-5/8 x 1-1/8, and 28 x 1-5/8 x 1-1/4 when the ISO size matches. Always check the size printed on your tire sidewall before ordering. Each tube features a 48mm Schrader valve, also called a regular or car-style valve. The 48mm length is convenient for many standard rims and works with most standard bike pumps. Please confirm your bike uses Schrader valves, not Presta valves, before purchase. Made from quality butyl rubber, these bicycle inner tubes help maintain tire pressure and provide dependable performance for everyday riding. They are a practical replacement choice for compatible road, commuter, city, hybrid, fitness, and touring bikes using 700C tires. This set includes 2 inner tubes and 2 tire levers, so you can replace one tube now and keep the other ready for future flats. The included tire levers help lift the tire bead during replacement. Pump not included. For best results, slightly inflate the tube before installation, insert the valve straight through the rim hole, position the tube evenly inside the tire, check that it is not pinched between the tire and rim, and inflate according to the PSI shown on your tire sidewall.