Key features

• •🧩 𝐏𝐫𝐞𝐜𝐢𝐬𝐢𝐨𝐧 𝐅𝐢𝐭: This 700c inner tube fits 700 x 35c 37c 38c 40c 42c 43c (ETRTO 35-622 to 43-622) & 28 x 1.35 1.40 1 5/8 x 1 3/8 1.50 1.6 1.625 tires. Features 48mm Presta valve for easy inflation. Never struggle with tire mismatch again!
• •🛡️𝐀𝐯𝐨𝐢𝐝 𝐅𝐥𝐚𝐭 𝐓𝐢𝐫𝐞𝐬: Always check your tire's Min/Max PSI on the sidewall first! These tire tubes are made for 700c tires 35-43c. Keep your tires at the recommended 40-70 PSI to prevent blowouts and avoid the risks of under- or over-inflation.
• •🔒𝐇𝐢𝐠𝐡 𝐃𝐞𝐧𝐬𝐢𝐭𝐲 𝐁𝐮𝐭𝐲𝐥 𝐑𝐮𝐛𝐛𝐞𝐫: Spend less time pumping, More time riding! Corki's butyl rubber 700x35c tubes deliver superior air retention (holds pressure longer) and long-lasting durability. Dependable performance for your 700c bicycle.
• •☔ 𝐖𝐞𝐚𝐭𝐡𝐞𝐫𝐩𝐫𝐨𝐨𝐟 𝐁𝐫𝐚𝐬𝐬 𝐕𝐚𝐥𝐯𝐞：Nickel-plated brass valve defies rust and rain with secure sealing and rugged construction, delivering all-weather reliability for 700c bicycle inner tubes.
• •⚡ 𝐅𝐚𝐬𝐭 & 𝐄𝐚𝐬𝐲 𝐃𝐈𝐘 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 Includes anti-slip tire levers for safe, tool-free setup of 700x38c bike tube. Teens can easily install themselves – no expert help needed!
• •🎁 𝐍𝐞𝐯𝐞𝐫 𝐖𝐨𝐫𝐫𝐲 𝐀𝐛𝐨𝐮𝐭 𝐕𝐚𝐥𝐯𝐞 𝐋𝐞𝐚𝐤𝐬 𝐀𝐠𝐚𝐢𝐧! A leaky Inner tube 700c drives riders nuts, whether it's the tube body or valve. Though our tubes pass strict factory checks, an occasional defect might slip through. If you get one, we'll send a free replacement.