12.5'' x 1.75/2.25 heavy duty thorn resistant front inner tire tube for all bob revolution strollers, stroller strides & ce & aw - perfect bob stroller tiretube replacement [2 pack] steerling tire co. steerling tire co. this universal inner tube is compatible for most 12 or 12.5 inch wheels of all jogging strollers, including front wheels/tires of the following strollers: mountain buggy terrain stroller, bumbleride speed stroller, baby jogger summit x3 single & double strollers, burley solstice jogging stroller, thule urban glide single & double strollers, graco modes jogger stroller, graco relay jogger stroller, joovy ultralight stroller & schwinn interval stroller. this is the tube only. wheel and tire are sold separately.