The Blender Version is  4.5.1 and it is ready for Cycles or EEVEE-Render.
The Steering, Bike Chain, Pedals, Front and Back Wheels, Handle Breaks, Bike rest, and Cables are all fully rigged using Object and Bone Constraint.
The main parts are unwrapped and filled in with based colours. The painted textures, however, are done with geometry nodes. For the textures to appear, you will need to add lighting.