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Looking for some help with a rear derailleur I acquired in a box-o--parts -TX-55

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Looking for some help with a rear derailleur I acquired in a box-o--parts -TX-55

Old 06-05-16, 11:51 AM
  #1  
Viich
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Looking for some help with a rear derailleur I acquired in a box-o--parts -TX-55

BLUF

I've been buying super-cheap parts trying to build a frame back into a sell-able bike. I've discovered that frames don't move well here.
I acquired 2 of these Shimano Tourney TX-55 '6/7 speed compatible' rear derailleurs in a pile of parts including multiple cranks, FD, tires, etc.
It has an integrated hanger -it would go great on the Norco Avanti I've got up for sale, but the Suntour GT looks nicer on that bike.

Can I remove that integrated hanger and use it on a frame with a hanger? Or alternatively for a different use, could I put it on a kids bike with BMX-style forks? It looks like I should be able to use it for that as is.
I'm confused because the version of this RD that doesn't have the fork like that still has a piece of metal in it's place that appears to bolt onto a derailleur hanger.



back story for those who care:

I kind of fell into trying to do a super-cheap build.
I got a nice CX frame that had the same geometry as the hybrid frame my wife was using, but at a SIGNIFICANT weight savings (I wish I'd weighed it, now)
I took her components (she didn't want to change anything) and put them on the new frame, but now I can't move the frame. Then I see the same bike going for $200 on Kijiji local - the guy probably got talked down, but I can't sell the frame for $20, and it's fine - I'd rather not take it to the recyclers when there's nothing wrong with it except I was tired of carrying it.

I'm basically trying to build it back up as a 'hybrid' and sell it on for the normal (for here) $130-$200.

Thanks all!
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Old 06-05-16, 12:12 PM
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Raiden
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That derailer is for older style road or mountain bikes with semi-horizontal dropouts (slightly angled, where you insert the axle from the front). That screw and plate goes in the back curved end of the dropout and the axle goes into the curved end of the plate.

I don't believe installing it in a horizontal bmx dropout would be a good idea- you'd need to remove the derailer from the bike to get the wheel out the back.

You said you had a model that 'looked like' it could bolt into a derailer hangar- if there's just a hole in the upper plate where a bolt would go, you're missing a piece. Here's a complete model: Shimano Tourney TX55 Rear Derailleur > Components > Drivetrain > Mountain Rear Derailleurs | Jenson USA Note the bolt in the plate at the top.
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Old 06-05-16, 12:48 PM
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Viich
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Ah, sorry Raiden - I don't have the other version, I just found it in googling. If I have to, I have other RD I can use, these are just the cheapest. I hadn't actually looked at them closely, as when I bought the bucket-o-parts, I was really most interested in the crankset that was included.
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