Tube 20" x 1.25-1.50 (406 x 32-37) 32mm PRESTA Valve, Sunlite Bicycles 2 Inner Tubes, each in their own box 20"x1.25-1.5" ISO 406 x 32-37 32mm Presta Valve Replacement inner tube for an Elliptigo, recumbent bike or other bike with the same tire size.