FITMENT: Compatible with Razor MX350/MX400/ZR350/SX350 Dirt Rocket bikes, E-Zip E500/E750/E900/E1000, X-Treme X-560, Mongoose M350/M500/Z350, Stealth S1000/ST1000/S750, GT350/GT500 gas scooters
DIMENSION: Accurate fit for tire sizes 12.5"x2.75"/2.5"/3.0" (12-1/2"x2-3/4" equivalent) with universal straight Schrader valve stem, ensuring seamless compatibility across electric/gas scooters, bicycles, and strollers
HIGH-QUALITY: Constructed with grade isobutylene-isoprene rubber compound, featuring triple-layer puncture-resistant construction, laser-welded seams, and high elongation capacity to withstand extreme pressures
PACKAGE INCLUDING: 2PCS x premium inner tubes; 1PC x brass valve core wrench, 2PCS x corrosion-resistant brass valve cores; 2PCS x durable red stem caps
AFTER SALE: If you have any questions or are not completely satisfied with your purchase, please leave us a message.