Bi Sex Party 4: Gym Buddies
- taona: 2007
- Firenena: Czech Republic
- Genre:
- Studio: EroMaxx
- Keyword: orgy, bisexual man, bisexual pornography
- tale: Bob Marshal
- Cast: Cynthia Vellons, Rachel Evans, Lenka Prochazkova, Sharka Blue, Valentine Rush, Adam Hanks
