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Old 04-18-11, 08:34 PM   #1
Oil_LOL
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7-Speed Deore LX compatibility

I recently purchased a late 90's Specialized Rockhopper Comp from someone on Craigslist. The bike is in great condition, has been sitting in his garage for ten years, hardly been used. Just a couple scratches on the chainstay (which may have been from when I jammed it in my car... maybe ). Anyway, the purpose of buying this bike was to put on drop bars, to use as a commuter. I already have the bars, and the brake levers, but now I need a set of fairly cheap bar-end shifters. I don't want to mess with Ebay and an auction, I just want to buy normally. My question is: would Shimano SL-BS64 Ultegra 8-speed bar-end shifters be compatible with a 3*7-speed Deore LX derailleur set? I assume the front one would work, but would the rear one? Also, are their any cheaper options that are nice? These are $60 on Amazon, but I would like something much cheaper. Could I find that?
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Old 04-18-11, 08:37 PM   #2
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Rear 8 is not compatible to shift 7.
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Old 04-18-11, 08:39 PM   #3
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Rear 8 is not compatible to shift 7.
not entirely true, there are ways to make it work though I don't have all the details in front of me right now. If the bar end shifters can be run in friction on both sides, that is your most obvious solution.
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Old 04-18-11, 08:40 PM   #4
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Even in friction?
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Old 04-18-11, 08:43 PM   #5
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Those shifters will definitely work in friction, and will be compatible with your rear derailer. They may not give good shifting with a 7 speed cassette/freewheel (BUT I've gone between 7 and 8 and it's always worked well for me.) If nothing else, get an 8 speed cassette and only use 7 of the cogs. If you can't find a set of 7 speed bad end shifters.
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Old 04-18-11, 08:44 PM   #6
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Even in friction?
friction will work fine but i'm pretty darn sure there is a way you could get 8 speed shifters to shift a 7speed casette decently though maybe not perfectly using indexing shifters.

If i were you if your planning on using this as a commuter, I'd just leave it as a flat bar setup, its not as aerodynmaic but if your in a high traffic area it's much easier to turn around and see whats going on around and behind you the more upright you are
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Old 04-18-11, 08:45 PM   #7
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It's obvious friction will shift anything so I addressed the only issue the OP could possibly ask about.
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Old 04-18-11, 08:46 PM   #8
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not entirely true, there are ways to make it work though I don't have all the details in front of me right now. If the bar end shifters can be run in friction on both sides, that is your most obvious solution.
No, there aren't ways of making it work. Not perfectly.
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Old 04-18-11, 08:51 PM   #9
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It's obvious friction will shift anything so I addressed the only issue the OP could possibly ask about.
wow, anybody ever tell you your a real dickhead?
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Old 04-18-11, 08:52 PM   #10
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No, there aren't ways of making it work. Not perfectly.
yes, there are ways of making work. know your role, shut your hole.
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Old 04-18-11, 09:02 PM   #11
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To the op, please read this thread, you will see that you can probably easily run 8speed indexed shifters without issues. the spacing is very similar. I used to run an 8speed setup with 9speed shifters with pretty much no issues. To the jerkoff that gives half assed answers with know it all attitude, you should read this thread then go pound sand.

http://www.bikeforums.net/showthread...speed-cassette
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Old 04-18-11, 09:26 PM   #12
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Thanks, I'll probably be getting these, or see if I can get some at my bike Co-Op
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Old 04-18-11, 10:19 PM   #13
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wow, anybody ever tell you blah blah blah
First off, calm down. It looks dumb when you get all upset.

operator believes things should work perfectly in all cases. Just because you or I may have gotten it to work good enough, or even perfectly, doesn't mean it will always be that way.

Last edited by FastJake; 04-18-11 at 10:49 PM.
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Old 04-19-11, 02:48 AM   #14
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To the op, please read this thread, you will see that you can probably easily run 8speed indexed shifters without issues. the spacing is very similar. I used to run an 8speed setup with 9speed shifters with pretty much no issues. To the jerkoff that gives half assed answers with know it all attitude, you should read this thread then go pound sand.

http://www.bikeforums.net/showthread...speed-cassette
Half assed answers?

The OP wants to know if the NEW shifters he's buying will be perfectly compatible with a 7 speed cogset. The answer is clearly NO. There is NO J-tek shiftmate available to correct the pull, nor is there a non standard method of changing an 8 speed shifter so that it perfectly pull 7 speed cogset spacing. You know what happens when the OP tries to index that 8s shifter onto 7?

He'll spend a month trying to adjust something that was never meant to work correctly.

Performance WILL be reduced if you can get it to shift into every gear and it will have a VERY narrow fucntional range of adjustment. Performance WILL be reduced if you can get it to shift into every gear and it will have a VERY narrow fucntional range of adjustment.

What a disservice to the community. Do us all a favour and stop posting.
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Old 04-19-11, 03:46 AM   #15
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Half assed answers?

The OP wants to know if the NEW shifters he's buying will be perfectly compatible with a 7 speed cogset. The answer is clearly NO. There is NO J-tek shiftmate available to correct the pull, nor is there a non standard method of changing an 8 speed shifter so that it perfectly pull 7 speed cogset spacing. You know what happens when the OP tries to index that 8s shifter onto 7?

He'll spend a month trying to adjust something that was never meant to work correctly.

Performance WILL be reduced if you can get it to shift into every gear and it will have a VERY narrow fucntional range of adjustment. Performance WILL be reduced if you can get it to shift into every gear and it will have a VERY narrow fucntional range of adjustment.

What a disservice to the community. Do us all a favour and stop posting.
Why don't you go reread his post and you tell me where he asks for a "perfect" setup. It's indexed shifting, its NEVER perfect all the time. You give snide answers and offer no backup information. Did you give wrong answers? not exactly, but you could at least elaborate a bit instead of being so condescending. Then when someone is a bit condescending towards you, you don't like it so much do you. The op is building a commuter out of 15 year old bike, I highly doubt he is looking for perfect, especially when he is trying to keep it under $60. There are tradeoffs you make when you are trying to save money and this is one of them and quite frankly, it WILL work pretty damn good and I know this because unlike you, I've actually done it. This is gonna be a real shocker to you, I even got a triple FD to shift pretty darn good with a double STI shifter but I suppose you say it can't be done.
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Old 04-19-11, 05:58 AM   #16
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Ok, can you guys please stop arguing like a bunch of *****y five-year-olds? It doesn't really matter. Does anyone here know about an old model of bar-end shifter made specifically for 7-speed cassettes? One that would work w/ a Deore LX rear derailleur? I might just look around for that, instead of listening to you guys argue.
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Old 04-19-11, 06:05 AM   #17
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http://sheldonbrown.com/derailer-adjustment.html scroll down to "alternate cable routing", QED /thread
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Old 04-19-11, 06:32 AM   #18
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Thanks, now I can look around for 8-speed shifters, not just 7-speed shifters (I assume it'd be easier to find 8-speed shifters nowadays)

Last edited by Oil_LOL; 04-19-11 at 06:35 AM. Reason: grammar
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Old 04-19-11, 10:33 AM   #19
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Oil_LOL, The only 7S bar end shifter still manufactured, AFIK is the co$tly JTEK, otherwise you're most likely to find Ultegra 8S units which will work, as everyone else wrote.

Because I have all 8S drivetrains in my little fleet plus extra 8S cassettes I changed the recently aquired 7S to 8S. To be more commuter friendly you might want to look at some 7S cassettes for closer ratios between the middle cogs.

You will have quite a nice commuter when you're finished.

Brad
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Old 04-19-11, 10:41 AM   #20
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wow, anybody ever tell you your a real dickhead?
I have. Under a different user name. I try to avoid personal attacks but he makes it hard.
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