This 2Pcs 12 12 x 2 34 125 x 275 scooter inner tube set with angled valve fits for azor Dirt Rocket MX350 MX400 XTreme X560 eZip E500 E750 E900 E1000 and other scooters with same size tire Angled valve stem for easy access Will Fit Tires Sized 125 x 225 125 x 250 125 x 275 125 x 300 fits all 812 rims Fits for many mobility scooters Chinese electric scooters Currie scooters gas scooters and other applications with same tire size Heavy Duty Inner Tube Made of butyl rubber have high air tightness and puncture resistance reducing the possibility of air leakage more durable and less likely to experience air leakage Installation Tips Before inserting the new tube make sure to check for sharppointed objects inside or embedded in the tire that could puncture the tube Inflate the tube to the recommended PSI usually found on the tires sidewall Underinflation could cause pinch flats and cause the tire to slip on the rim resulting in the valve stem separating from the tube