Stolen bikes

You can always come up to him and says "I know you know that this bike is stolen, and I know half the stuff you put on that bike is your, so if you can give me the part that you remove from my old bike, or I can go to the police and get them to give me my stolen bike back from you"

That work for me one time, worth trying methinks.

but he has the major stuff like frame, forks, wheels, crankset and so on, the stuff i get back isnt much use unless its on the bike

so he could take his stuff off and give back mine?