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Permalink Reply by wig [ isaac ] on March 2, 2010 at 5:46pm

look for an old late 70's road/ touring bike.
they had a plate that bolted on to the frame to hold the rear derailleur... [ ie ] huffy -murry- freespirt
try @ working bikes..

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Permalink Reply by Vondo on March 2, 2010 at 5:59pm

I may be off base here, but I believe there's a part called an Adapter Claw that is held on by a little bolt and the axle nut that you can hang a derailleur from if the dropout doesn't have hanger. This might be what isaac is talking about. I think you can buy these separately online.

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Permalink Reply by Doug Haynes on March 2, 2010 at 6:01pm

Many bikes out there where equipped with a bolt on derailleur hanger, you should be able to find one hanging off of a used derailleur that is lying around your most often visited LBS. Be aware that they are not all exactly the same, some do not fit certain derailleurs.

If it is a really nice frame it may be worth the work to fix it properly, especially if you are already looking at repainting it. I'd recommend asking these guys about who could fix it. I've met several of the guys in that group and seen their work and and any one of them could do a fine job repair wise.

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Permalink Reply by Matt AKA Jimbo/BMXican on March 2, 2010 at 6:04pm

You have a few options, you can get a axle mounted rear derailleur but they are mostly low quality and have limited range since their designed for friction. Your other option is to get a derailleur mount adapter but I think they only make them in SIS. So your shifter options are limited, I don't have a J&B catalog on me so I'm not sure if they have them in friction. Your best bet is to bring your bike to a decent shop so they can get you going and assess the damage to the dropout. I obviously recommend Kozy's at 3255 N. Milwaukee on the Northwest Side since that's that's the name on my checks. Give kozy's a call at 773-282-0202 or come on in.

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Permalink Reply by Marco Rayos on March 3, 2010 at 6:08am

i think i'd need to see a picture of it but Doug is right about the bolt on hook. also is there a remaining half of the bolt still in the derailleur? It should be a large allen bolt. If so unscrew that pice to get an idea of the bolt size you need.

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Permalink Reply by Kevin Mulcky on March 3, 2010 at 10:54am

you need this

any bike shop can get it for you.

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Permalink Reply by Primitive Don on March 3, 2010 at 1:27pm

Sorry to hear the frame got drewed. I'd recommend the derailleur claw idea as suggested above. Just be sure the claw threads match the derailleur bolt threading; they are not all standard.

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