Feature●Size : 7 x 1 3/4" - 8 x 2“ - 200 x 50●elbow valve ;●car valve type (easy to use) ;●perfect for kid and pocket bike, scooter, roller, wheelchair, pushchair ;●high-quality rubber for long service life ;Description Inner Tube 7 x 1 3/4" - 8 x 2“ - 200 x 50 pram Stroller Kid Pocket Bike Scooter Roller Wheelchair Pushchair