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Cassette/ R-Derailleur change technical question

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Cassette/ R-Derailleur change technical question

Old 10-18-13, 01:07 PM
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sapeacock
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Cassette/ R-Derailleur change technical question

Hi all, I'm new here and haven't went through the threads so I'm sure I'll ask the same questions others have asked. Also I am new at customizing bikes, i have probably have missed some tech stuff.

But here's the delima: I would like to change my rear cassette from a 12-30T to a 11-36T. I live in the Rockies and deal with some very long up-hill climbs. I realize that i need to change my rear derailleur as well.
The cassette I'm thinking of is a Shimano CS-H681 SLX Cassette 10-Speed 11/36T,
and the R-Derailleur a Shimano RD-M593 Deore RD SGS Long Cage 10-Speed.

So the big question is will these new components work with with my current rear shifter, and forward drive train? If not what else will i need?

My current shifter is a Shimano 10-speed Tiagra Rapid fire flat bar shifter. (model number unknown, couldn't find one)
Crankset/ front derailleur - FSA VERO Compact N10 50/34T with shimano 105 front derailleur.
Chain - FSA CN-910 10 speed chain (114 links road/mountain chain).
If your wondering what the bike is, its a Diamondback Interval Elite 2013.

Thanks for your help,

Steven
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Old 10-18-13, 01:14 PM
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You need a 9sp Shimano rear derailleur for it to work with your 10sp Tiagra shifter. They still make Deore, SLX, and even XT 9sp rear derailleurs.

Also at least two, maybe four extra chain links or a new chain.
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Old 10-18-13, 01:58 PM
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Originally Posted by mconlonx View Post
You need a 9sp Shimano rear derailleur for it to work with your 10sp Tiagra shifter. They still make Deore, SLX, and even XT 9sp rear derailleurs.

Also at least two, maybe four extra chain links or a new chain.
Will the 9sp rear derailleur still work with the 10sp cassette?
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Old 10-18-13, 02:39 PM
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Yes 9 sds derailleur will work with a 10 sds cassette .
Originally Posted by sapeacock View Post
Will the 9sp rear derailleur still work with the 10sp cassette?
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Old 10-18-13, 02:52 PM
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Originally Posted by sapeacock View Post
Will the 9sp rear derailleur still work with the 10sp cassette?
You ask, I tell. You doubt?!?

But, yes.
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