This wheel comes fully assembled with wheel rim, tyre, inner tube and bearings. The axle that holds the wheel on to the stroller frame is sold separately. This wheel is compatible with the following stroller models, manufactured prior to 2019:

classic & legacy red classic
classic twin
sport™ v1, v2 & v5 (pre-2019)
hammerhead
explorer
navigator
pre-2019 dash™

Need a rear wheel for a 2019+ sport™? Find that part here