Tube, 20 x 2.00-2.25 SCHRADER Valve, 32mm SCHRADER Valve. Sunlite Bicycles. BMX, Kids, Child or Youth Bike. Any bike with same tire dimensions. It's imperative you maintain proper air pressure with this thicker and heavier tube. See tire manufacturers minimum and maximum pressures on the side of the tire. 20 x 2.00-2.25 with 32mm Schrader Valve with removable core. This tube is a replacement inner tube for any bicycle tire with the same tire dimensions. Be sure to verify the valve type and length.