Amazon.com: Graco Stroller Tire Tube Replacement [Rear Wheels] 16 inch x 1.75 x 2.125 Inner Tubes for Graco Jogging Strollers : Baby
Amazon.com: Inner Tube Tire Replacements Two 16'' x 1.75/2.125 & One 12.5'' x 1.75/2.25 for Jogging Stroller, Compatible w/All Brands: BoB Revolution Flex/Pro/SE/SU, Graco, Go Jogging & More, by Mata1-USA : Baby
16'' x 1.5/1.75 Heavy Duty Thorn Resistant Inner Tire Tube for BOB Revolution SE/Flex/Pro/Sport Utility/Ironman Strollers - The Perfect BOB Stroller Tire Tube Replacement [2-Pack] Steerling Tire - Walmart.com