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Mixing SRAM/Shimano

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Mixing SRAM/Shimano

Old 03-16-11, 08:18 PM
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Mixing SRAM/Shimano

If I pick up a RED cassette, can I use that directly with my 105 DRs?

Maybe the 12-25 Ultrega is the better option....and cheaper. Lots cheaper.

I'm sorta baffled there.


Thanks in advance,

Last edited by Santaria; 03-16-11 at 08:22 PM.
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Old 03-16-11, 08:32 PM
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yes you can use SRAM cassettes with Shimano group and also the other way around. the red cassette is more because it is lighter. you could get a SRAM 1070 cassette and it should be about the same as the ultegra.

i use a SRAM 1070 cassette because of the 11-26 gearing that shimano doesnt have (i now have a SRAM group but also used it with my Shimano group).
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Old 03-16-11, 08:34 PM
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Will need more info on your drivetrain setup. Cassette sizes old/new? Double or triple chain rings?

SRAM and Shimano typically are compatible; I had a mix of of each in my drivetrain a couple of times.

If cassette is not same size as old one, you may need to adjust chain size.

Other than that, you should be okay as I believe SRAM's largest cog tooth count on cassettes < 27. Some other brands have all sorts of cassette ranges with max cog teeth that can exceed 27.

Example: If you went from an 11-23 to a cassette whose largest cog had more than 27 teeth and if you had a short cage rear derailleur, you may need a medium or long cage rear derailleur.

A triple chain ring usually indicates you'd have long cage rear derailleur.

Others will chime in here with more detail I'm sure.

A good resource - Check out Sheldon Brown's site:
https://www.sheldonbrown.com/k7.html

Last edited by bike_boy; 03-16-11 at 08:43 PM.
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Old 03-16-11, 08:35 PM
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I'm running a SRAM 1090 cassette with Shimano group changed my 12-25 to an 11-25 and decided to save a few grams in the process. Works fine.
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Old 03-16-11, 08:47 PM
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you *can* mix the two, they will work, it is possible, but for maximum performance, for things to work they way they are supposed to and they way they are meant to, you should stick with all one or the other on your drivetrain. you can have one drivetrain and the other as brakes, but i would keep the drivetrain all the same.
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Old 03-16-11, 08:51 PM
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Originally Posted by pablosnazzy
you *can* mix the two, they will work, it is possible, but for maximum performance, for things to work they way they are supposed to and they way they are meant to, you should stick with all one or the other on your drivetrain. you can have one drivetrain and the other as brakes, but i would keep the drivetrain all the same.
why? i agree about most parts but cassettes between shimano and sram are completely compatible.

now campy is a different story
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Old 03-16-11, 09:13 PM
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What about the rest of the stuff? Would SRAM shifters/brakes work well on a bike with all Ultegra/105 derailers or is the sequencing (cable movement) different?
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Old 03-16-11, 09:25 PM
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SRAM Red group set here, DA 7800 cassette and DA 7801 chain.
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Old 03-16-11, 09:26 PM
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Originally Posted by grwoolf
What about the rest of the stuff? Would SRAM shifters/brakes work well on a bike with all Ultegra/105 derailers or is the sequencing (cable movement) different?
sram's cables pull at a 1:1 ratio so derailleurs are another story.
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Old 03-16-11, 09:31 PM
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SRAM Red, Ultegra cassette, KMC chain. Works like a dream and is about 50 decibels quieter than the Red chain on Red cassette. Oh, and it's about 1/3 the price.
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Old 03-16-11, 09:35 PM
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Currently, SRAM Red w/Shimano DA 7900 12-27 cassette. I just switched out Shimano DA brakes for SRAM Red LTE ones. DA brakes had worked fine with Red brifters.

However, If SJoe is saying cable pull ratio is different between brands, I guess SRAM brifters w/Shimano derailleur mix could be a concern.

Oh, KMC X10SL gold chain.

Last edited by bike_boy; 03-16-11 at 09:50 PM.
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Old 03-16-11, 09:51 PM
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Originally Posted by caloso
...KMC chain...50 decibels quieter than the Red chain on Red cassette.
+1
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Old 03-16-11, 10:09 PM
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I have two Dura Ace cassettes: 12-23 and 12-25, if anyone is interested.
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Old 03-16-11, 10:09 PM
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I'm running sram rival with a 105 (5700) ft derailleur. Works great.
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Old 03-17-11, 01:20 AM
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Mixing makes ZERO sense...The parts are researched, developed, and fine tuned to work together. Would you put Harley parts on a Rice burner? Of course not. Use a little common sense. Wait. I forgot that doesn't exist here.
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Old 03-17-11, 08:21 AM
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People need to stop abusing Calvin.
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Old 03-17-11, 09:22 AM
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Originally Posted by rat fink
People need to stop abusing Calvin.
Just think of all the residual.
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Old 03-17-11, 09:32 AM
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Originally Posted by WHOOOSSHHH...
Mixing makes ZERO sense...The parts are researched, developed, and fine tuned to work together. Would you put Harley parts on a Rice burner? Of course not. Use a little common sense. Wait. I forgot that doesn't exist here.

SRAM researched, developed, and fine tuned their road groupsets to work with Shimano cassettes. You can use either SRAM cassettes with Shimano or vice versa with no issues.
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Old 03-17-11, 09:34 AM
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Originally Posted by wfrogge
SRAM researched, developed, and fine tuned their road groupsets to work with Shimano cassettes. You can use either SRAM cassettes with Shimano or vice versa with no issues.
Indeedy.
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Old 03-17-11, 09:39 AM
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Originally Posted by Bobsled
Just think of all the residual.
Residual what, abuse?
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Old 03-17-11, 09:52 AM
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Originally Posted by M_FactorX19
why? i agree about most parts but cassettes between shimano and sram are completely compatible.

now campy is a different story
That is not quite true since 5/6700 and 7900 came out.
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Old 03-17-11, 10:24 AM
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For the front dérailleurs you can mix components, for the rear dérailleurs not so much.
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Old 03-17-11, 10:39 AM
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Sram cassettes, other than the Red Powerdome, are pretty crappy. I've had multiple new Force cassettes with twisted teeth that had to be sent back.

Ultegra cassettes, imo, are the best value cassettes for anyone running Shimano or Sram.

And the only things that have to match are shifters and the rear derailleur. You can use any 10-speed front derailleur you want - Campy, Sram or Shimano - with little issue, and Sram and Shimano brakes, cassettes and chains are completely interchangeable.

It also is possible to use Shimano/Sram brakes with Campy shifters, but not the other way around, as Campy puts its brake release on the shifter.
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Old 03-17-11, 10:45 AM
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Originally Posted by pablosnazzy
you *can* mix the two, they will work, it is possible, but for maximum performance, for things to work they way they are supposed to and they way they are meant to, you should stick with all one or the other on your drivetrain. you can have one drivetrain and the other as brakes, but i would keep the drivetrain all the same.
Why?

They are identical.
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Old 03-17-11, 10:46 AM
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Originally Posted by grwoolf
What about the rest of the stuff? Would SRAM shifters/brakes work well on a bike with all Ultegra/105 derailers or is the sequencing (cable movement) different?
i dont think it is ideal to do so but i recently switched from shimano to sram and after i installed sram shifters i reconected the cables to my shimano front and rear derailleurs and it worked just fine. i didnt even have to make any barrel adjustments. the only thing i did notice was that it was harder to press the shift levers then it is with a sram RD. so again its not ideal but it will work.

i am still using the shimano FD by the way. my setup is Rival shifters, Rival RD, 105 FD, KMC X10SL chain and SRAM 1070 cassette. it works great.
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