A vehicle chassis is provided. The vehicle chassis may comprise one or more vehicle chassis modules or chassis substructures that are formed from a plurality of customized chassis nodes and connecting tubes. The customized chassis nodes and connecting tubes may be formed of one or more metal and/or non-metal materials. The customized chassis nodes may be formed with connecting features to which additional vehicle panels or structures may be permanently or removeably attached. The vehicle chassis modules or chassis substructures may be interchangeably and removeably connected to provide a vehicle chassis having a set of predetermined chassis safety or performance characteristics.

An assembly for carrying elongated media along a vehicle frame, the assembly comprising a structurally rigid elongated beam member having a longitudinal extension along a longitudinal direction of the assembly; two or more vehicle frame attachment members configured to attach the assembly to the vehicle frame; and at least one elongated media attachment member configured to attach at least one elongated media to the assembly, and an elongated media integrated in the structurally rigid elongated beam member. The disclosure also relates to a vehicle comprising a vehicle frame.

Various ridable karts for users are described. The ridable kart can include a kart body, a cover body, a rear caster wheel, a steering assembly, a battery, and a controller. The kart body can include an installation slot. The controller and the battery can be secured within the installation slot. The steering assembly can include a front wheel and a steering wheel. The front wheel can include a hub motor arrangement.