Precise Bicycle Recoloring -- 2

I have 10 high-resolution bicycle photos, all supplied in JPEG format. For each bike I need some alternate paint jobs while keeping every other detail—geometry, decals, reflections, shadows—absolutely identical... (Budget: €30 - €250 EUR, Jobs: Color Grading, Digital Art, Graphic Design, Illustrator, Image Processing, Photo Editing, Photography, Photoshop, Visual Arts, Visual Design)