12 1/2" X 2 1/4" RAZOR POCKET MOD SCOOTER REPLACEMENT INNER TUBES - These high-quality inner tubes fit Razor's Pocket Mod models -Euro-style electric scooters with 12-inch pneumatic tires. Known compatible models are Razor Pocket Mod Bella, Pocket Mod Betty, Pocket Mod Bistro, Pocket Mod Blossom, Pocket Mod Chrissy, Pocket Mod Daisy, Pocket Mod Hannah Montana, Pocket Mod Kiki, Pocket Mod Sweet Pea, and Pocket Mod Vapor | UNIVERSAL FIT SCOOTER INNER TUBES - Fits most gas and electric scooters and children's bikes with 12-inch to 12.5-inch tires that are between 1.75 to 2.25 inches wide. Several compatible scooter models include Schwinn S500, Schwinn Missile FS Electric Scooter, Dynacraft Hello Kitty City Cruiser Electric Scooter, Minimoto Hybrid, X-Treme X-360 and X-370 Electric Scooters, and Zappy Express Electric Scooter. | EXTRA THICK AND HIGH-QUALITY ISOBUTYLENE ISOPRENE RUBBER INNER TUBES - Isobutylene Isoprene rubber is proven to be more airtight and has superior elastic damping, aging, and heat-resistance than natural rubber. Experience a more comfortable ride even over bumps and potholes with these inner tubes' superior shock and vibration dampening capabilities. | EXPLOSION-PROOF SCOOTER INNER TUBES - It's all fun and games until you experience an explosive puncture. Don't let this happen to your kid's scooter. The AR-PRO's range of replacement inner tubes provide comfort and safety with their high tear-resistance and self-sealing features. Designed to prevent damage to the wheels and injury to the rider, these inner tubes will create an airtight seal when and if punctured, ensuring safety in any weather and season. | IMPORTANT NOTE: This replacement kit is an aftermarket product produced by CalPalmy (TM). It meets or exceeds the performance of OEM replacements (based on in-house testing). We do not have any affiliation with or endorsement from any of the manufacturers mentioned.