10 speed to 9 speed conversion for touring
07-25-09, 09:10 AM
#1
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10 speed to 9 speed conversion for touring
I now have a 10 speed rear cassette with a 12-27 cluster. I would like to use a 9 speed cassette with a 12-34 range for touring.
I know I need to change my RD (now a Shimano Ultegra short cage). Do I also need to change my STI Brifters (now a 10 speed 105 model)?
Can I use a Shiftmate to keep from changing brifters?
Michael
I know I need to change my RD (now a Shimano Ultegra short cage). Do I also need to change my STI Brifters (now a 10 speed 105 model)?
Can I use a Shiftmate to keep from changing brifters?
Michael
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When I ride my bike I feel free and happy and strong. I'm liberated from the usual nonsense of day to day life. Solid, dependable, silent, my bike is my horse, my fighter jet, my island, my friend. Together we will conquer that hill and thereafter the world.
When I ride my bike I feel free and happy and strong. I'm liberated from the usual nonsense of day to day life. Solid, dependable, silent, my bike is my horse, my fighter jet, my island, my friend. Together we will conquer that hill and thereafter the world.
Last edited by Barrettscv; 07-25-09 at 09:35 AM.
07-25-09, 09:46 AM
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A Shiftmate Model #2 will let you use Shimano 10-speed brifters and any Shimano rd with a Shimano 9-speed cassette.
I'm doing about the same thing using Campy 10-speed Ergo brifters with a Shimano rd and a Shimano 9-speed cassette and it works extremely well.
I'm doing about the same thing using Campy 10-speed Ergo brifters with a Shimano rd and a Shimano 9-speed cassette and it works extremely well.
07-25-09, 11:38 AM
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I am pretty sure that there are aftermarket 11-34t 10 speed shimano spaced cassettes. That would let you change your RD and cassette and leave everything else the same. I think IRD makes some.
EDIT: here is one for sale.
EDIT2: here are all the cassettes they offer.
Note: I have never actually tried any of these.
EDIT: here is one for sale.
EDIT2: here are all the cassettes they offer.
Note: I have never actually tried any of these.
Last edited by Tabor; 07-25-09 at 11:48 AM.
07-25-09, 01:47 PM
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I am pretty sure that there are aftermarket 11-34t 10 speed shimano spaced cassettes. That would let you change your RD and cassette and leave everything else the same. I think IRD makes some.
EDIT: here is one for sale.
EDIT2: here are all the cassettes they offer.
Note: I have never actually tried any of these.
EDIT: here is one for sale.
EDIT2: here are all the cassettes they offer.
Note: I have never actually tried any of these.
Michael
__________________
When I ride my bike I feel free and happy and strong. I'm liberated from the usual nonsense of day to day life. Solid, dependable, silent, my bike is my horse, my fighter jet, my island, my friend. Together we will conquer that hill and thereafter the world.
When I ride my bike I feel free and happy and strong. I'm liberated from the usual nonsense of day to day life. Solid, dependable, silent, my bike is my horse, my fighter jet, my island, my friend. Together we will conquer that hill and thereafter the world.
07-25-09, 01:54 PM
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Shimano says their road rd's are limited to a 27T big cog. Other riders who have tried them report they will nearly always work with a 28 or even a 30T and sometimes with a 32T but nearly never with a 34T.
07-25-09, 01:59 PM
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Will the 9 speed XT MTB rear derailleur shift all 10 gears?
Michael
Michael
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When I ride my bike I feel free and happy and strong. I'm liberated from the usual nonsense of day to day life. Solid, dependable, silent, my bike is my horse, my fighter jet, my island, my friend. Together we will conquer that hill and thereafter the world.
When I ride my bike I feel free and happy and strong. I'm liberated from the usual nonsense of day to day life. Solid, dependable, silent, my bike is my horse, my fighter jet, my island, my friend. Together we will conquer that hill and thereafter the world.
07-25-09, 02:00 PM
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07-25-09, 02:14 PM
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Thanks,
Michael
Michael
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When I ride my bike I feel free and happy and strong. I'm liberated from the usual nonsense of day to day life. Solid, dependable, silent, my bike is my horse, my fighter jet, my island, my friend. Together we will conquer that hill and thereafter the world.
When I ride my bike I feel free and happy and strong. I'm liberated from the usual nonsense of day to day life. Solid, dependable, silent, my bike is my horse, my fighter jet, my island, my friend. Together we will conquer that hill and thereafter the world.
07-25-09, 04:05 PM
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I don't get why this mod is being done. 10-speed sutff isn't inherently weaker, or less reliable than 9. I mean if you were cocerned about that you'd go to 8, or even 7. Please... explain.
07-25-09, 04:10 PM
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IRD does offer 10-speed cassettes with larger big cogs but a Shimano road rear derailleur probably won't handle it.
07-25-09, 09:59 PM
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