New Derailleur needed

[fbxxkl]

Hello, I am new to the bike repair world so I figured I would ask here.

I recently was gifted an 85 Raleigh Olympian and the rear derailleur broke. Can anyone give suggestions on the type I should look at buying?

Its a 12 gear bike 2 Front/6 Back gears. Let em know.


TIA

[painkiller]

post some pictures of what you have and maybe one of us can hook you up easier.

[nfmisso]

Is the hanger part of the derailleur or part of the bike frame?

hanger (aka claw) on the derailleur:
http://www.amazon.com/Shimano-Tourney-TX35-Derailleur-Speed/dp/B003ZMH69S/

hanger on frame:
http://www.amazon.com/Shimano-RD-TX35-Tourney-Derailleur-Regular/dp/B003ZM9RLI/

The TX35 is a reliable low end RD, which will work okay for you. If your budget is greater, provide pictures, and we'll provide recommendations.

[fbxxkl]

Here are the pictures I took.

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[nfmisso]

Get this one:
http://www.amazon.com/Shimano-Tourney-TX35-Derailleur-Speed/dp/B003ZMH69S/