According to various embodiments, disclosed is an axle saddle system for an axle having an undercut between the outboard and inboard bearing lands of the axle. According to various embodiments, the axle saddle system comprises a saddle configured to fill the axle undercut in order to protect the axle from damage by the installation of a wheel onto the axle.

A spare wheel assembly for a vehicle is provided. The spare wheel assembly includes a wheel rim including a first side and a second side, wherein the wheel rim further includes a first valve stem opening defined within the first side and a second valve stem opening defined within the second side. The spare wheel assembly also includes a pneumatic tire mounted on the wheel rim.

According to various embodiments, disclosed is an axle saddle system for an axle having an undercut between the outboard and inboard bearing lands of the axle. According to various embodiments, the axle saddle system comprises a saddle configured to fill the axle undercut in order to protect the axle from damage by the installation of a wheel onto the axle.

According to various embodiments, disclosed is an axle saddle system for an axle having an undercut between the outboard and inboard bearing lands of the axle. According to various embodiments, the axle saddle system comprises a saddle configured to fill the axle undercut in order to protect the axle from damage by the installation of a wheel onto the axle.

According to various embodiments, disclosed is an axle saddle system for an axle having an undercut between the outboard and inboard bearing lands of the axle. According to various embodiments, the axle saddle system comprises a saddle configured to fill the axle undercut in order to protect the axle from damage by the installation of a wheel onto the axle.