CALPALMY 16 Back and 12.5 Front (2+1) Stroller Wheel Replacement Inner Tubes, Compatible with BoB Stroller Tire Tube Revolution SE/Pro/Flex/SU/Ironman, Made from BPA/Latex Free Premium Butyl Rubber

TWO 16\'\' x 1.75/1.95/2.15 Back and ONE 12.5\'\' x 1.75/2.15 Front Stroller Replacement Tubes: Fit most baby strollers on the market with 16 back and 12\'\' front tires like Bob Revolution (PRO/Flex/...