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Old 06-19-09, 09:41 PM   #1
kris cho
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Shimano Sora Rear Derailleur

what do you think about Shimano Sora Rear Derailleur?

My road bike is shwinn world sport. I'm not sure if my bike is double crankset cause this derailleur only fits to double crankset.

If this is not a good derailleur then any recommenddation for under $30?
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Old 06-19-09, 09:49 PM   #2
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It shifts just fine and I'd recommend it for the money. What are you expecting from it?
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Old 06-19-09, 10:13 PM   #3
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Originally Posted by kris cho View Post
If this is not a good derailleur then any recommenddation for under $30?
Well, it is easy enough to tell. Double crank sets have two chain rings, triples have three. If you happen to have only one then the double (read) derailer will work fine.
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Old 06-19-09, 10:19 PM   #4
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It shifts just fine and I'd recommend it for the money. What are you expecting from it?

my rear derailleur makes rattling sound when i'm coasting
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Old 06-19-09, 10:45 PM   #5
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Yes, the Shimano Sora derailleur is fine. As I like to say, even cheap Shimano components work well. Just make sure that your bike takes a direct attachment derailleur and not one with a hanger (bracket attachment). If you need one with a hanger, consider the Shimano A050-SS or the TX-71GS

Last edited by hernick; 06-19-09 at 10:49 PM.
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Old 06-19-09, 11:34 PM   #6
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Regardless of being above, by $10, your $30 limit - someone will be very happy to find out about this utterly fine bargain:

http://www.cambriabike.com/shopexd.a...EAR+DERAILLEUR

That's no joke. Happy Trails!
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Old 06-19-09, 11:45 PM   #7
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Yes, the Shimano Sora derailleur is fine. As I like to say, even cheap Shimano components work well. Just make sure that your bike takes a direct attachment derailleur and not one with a hanger (bracket attachment). If you need one with a hanger, consider the Shimano A050-SS or the TX-71GS
i need the hanger..will the shimano derailleur get rid of the rattling sound?
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Old 06-20-09, 12:11 AM   #8
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its possible that a proper adjustment could fix the rattling sound.
sometimes just a barrel adjustmnet can solve it.

at what point does it rattle? in all gears? when switching high to low? low to high?
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Old 06-20-09, 12:55 AM   #9
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its possible that a proper adjustment could fix the rattling sound.
sometimes just a barrel adjustmnet can solve it.

at what point does it rattle? in all gears? when switching high to low? low to high?
+1 to diagnosing the actual problem before jumping to the most expensive solution (replacing).
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Old 06-20-09, 01:15 AM   #10
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its possible that a proper adjustment could fix the rattling sound.
sometimes just a barrel adjustmnet can solve it.

at what point does it rattle? in all gears? when switching high to low? low to high?

all gears.all time.
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Old 06-20-09, 02:41 AM   #11
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all gears.all time.
Sounds like it could be simply cable mis-adjustment. Try this: http://parktool.com/repair/readhowto.asp?id=64
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Old 06-20-09, 01:06 PM   #12
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Quote:
Originally Posted by kris cho View Post
my rear derailleur makes rattling sound when i'm coasting
I'd guess it's something other than the RD. First, they don't rattle too easily since they are basically spring loaded at all times. Second, it's tough to diagnose a rattle low and behind you as you ride.
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Old 06-21-09, 11:43 AM   #13
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Originally Posted by Tabor View Post
Well, it is easy enough to tell. Double crank sets have two chain rings, triples have three. If you happen to have only one then the double (read) derailer will work fine.
You can actually get away with a installing a SS Road Sora on a bike with a triple... if the rear cassette is small enough...


I run a 24-34-46 with a 14-15-16-17-18-20-23 (total difference 31 teeth) and there is plenty of chain take up even with the short cage because of its generous 11 tooth pulleys...


It shifts flawlessly. I'm totally pleased with it. Even Shimano's cheap parts express their excellently engineered designs...

...and for under $20 it's a genuine bargain.

Greg
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