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7 speed XT shifters w/ 10 speed derailleur

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7 speed XT shifters w/ 10 speed derailleur

Old 05-21-18, 07:53 PM
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matkinstall
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7 speed XT shifters w/ 10 speed derailleur

I'm replacing the frame on my commuter and am considering replacing the downtube shifters with thumb shifters. I've got a 7 speed freewheel and an early Shimano 105 10 speed rear derailleur. Will a 7 speed mountain bike shifter like an XT SL-M732 work in indexed mode with this setup? If not, can this shifter or something similar (i.e. Shimano 7 speed SIS mtb) be used in friction mode? I've read that the index mechanism is contained within Shimano shifters but I'm unsure if there's a difference between road/mtb shifter parts.
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Old 05-21-18, 08:24 PM
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Choose one that says 9 speed
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Old 05-21-18, 08:26 PM
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They will index together just fine.
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Old 05-21-18, 08:36 PM
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Originally Posted by rccardr View Post
They will index together just fine.
Great, thanks.
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Old 05-21-18, 10:46 PM
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You can do it, but if you run friction then you nearly never have to worry about adjusting the derailleur over time. I've run indexed from 7 spd suntour cyclone to 11 spd shimano ultegra - and everything in between including suntour microratchets, dia compe ene, simplex retros - and hands down nothing beats good old fashioned dura ace 10 spd bar end tt shifters on friction, no matter what cassette you're running. Shifts so smooth you may think your having sex.

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Old 05-22-18, 08:21 AM
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Originally Posted by jack k View Post
You can do it, but if you run friction then you nearly never have to worry about adjusting the derailleur over time. I've run indexed from 7 spd suntour cyclone to 11 spd shimano ultegra - and everything in between including suntour microratchets, dia compe ene, simplex retros - and hands down nothing beats good old fashioned dura ace 10 spd bar end tt shifters on friction, no matter what cassette you're running. Shifts so smooth you may think your having sex.
This works great when you use one of the modern 9/10/11sp cassettes with ramps for the chain to ride on and a matching chain. I use this with Campy downtube shifters and also experience smooth, quiet shifting. With 10sp at least you also don't find yourself between gears because the spacing is so tight. None of that clang, clang, clang you'd get on the old 5 speed.
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Old 05-25-18, 08:46 PM
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Originally Posted by zacster View Post
This works great when you use one of the modern 9/10/11sp cassettes with ramps for the chain to ride on and a matching chain. I use this with Campy downtube shifters and also experience smooth, quiet shifting. With 10sp at least you also don't find yourself between gears because the spacing is so tight. None of that clang, clang, clang you'd get on the old 5 speed.
Indeed - 10 speed friction is absolutely magical. I love my 6800 ultegra, but it just doesn't hold a candle to the smooth action of setups like yours.
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