Bi Sex Party 4: Gym Buddies
- År: 2007
- Land: Czech Republic
- Genre:
- Studio: EroMaxx
- Nyckelord: orgy, bisexual man, bisexual pornography
- Direktör: Bob Marshal
- Kasta: Cynthia Vellons, Rachel Evans, Lenka Prochazkova, Sharka Blue, Valentine Rush, Adam Hanks