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  1. #1
    Senior Member MR BIG STUFF's Avatar
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    1990 Bridgestone MB 3

    WIW?

    Right shifter needs to be replaced which looks like a PITA.

    HPIM1491.jpgHPIM1501.jpgHPIM1502.jpgHPIM1503.jpgHPIM1500.jpgHPIM1499.jpg

  2. #2
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    Those shifters are a breeze. They're probably slightly gummy, and will need a WD-40 flush to sort them out. Paint is a bit beat. In my local market, it would struggle to bring $200, even with the Deore group.
    My bikes: '79 Trek 938, '80 Merckx, '86 Centurion Ironman, '09 Bianchi Dolomiti

  3. #3
    Senior Member bikemig's Avatar
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    This is roughly a $100 plus bike. Seems a shame, it's a heck of a nice frame and parts but most vintage mtbs aren't worth much. An MB-1 or zip would be a different story. I just picked up a 1992 Trek 950 in pristine shape for $125.

  4. #4
    Senior Member MR BIG STUFF's Avatar
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    Yeah I bought for $50. Nice bike it's just a little small for me.

    Quote Originally Posted by nesteel View Post
    Those shifters are a breeze. They're probably slightly gummy, and will need a WD-40 flush to sort them out. Paint is a bit beat. In my local market, it would struggle to bring $200, even with the Deore group.
    I'm sorry Nesteel my post wasn't clear. The original shifter is long gone, I think it's going to be a PITA to find a replacement. That's what I'm debating, whether it's worth it or not. I'll probably end up doing it anyway just because Ebay is something to do on a winter night.

  5. #5
    Senior Member exmechanic89's Avatar
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    Quote Originally Posted by MR BIG STUFF View Post
    Yeah I bought for $50. Nice bike it's just a little small for me.



    I'm sorry Nesteel my post wasn't clear. The original shifter is long gone, I think it's going to be a PITA to find a replacement. That's what I'm debating, whether it's worth it or not. I'll probably end up doing it anyway just because Ebay is something to do on a winter night.
    Yeah try 'ímpossible' finding a replacement shifter like that, even eBay doesnt have them. It's funny, I've bought a lot of used 90's mtbs and one thing I've noticed with all of them is the original trigger shifters are either fubar'd or gone, usually replaced with grip shifters. Trigger shifters were pretty poorly made as far as duability goes, something I remember wondering about when I worked in shops in the 80's. Time has given me my answer.

  6. #6
    Still learning oddjob2's Avatar
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    Life is like riding a bicycle. To keep your balance you must keep moving. Albert Einstein
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  7. #7
    Senior Member MR BIG STUFF's Avatar
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    Quote Originally Posted by exmechanic89 View Post
    Yeah try 'ímpossible' finding a replacement shifter like that, even eBay doesnt have them. It's funny, I've bought a lot of used 90's mtbs and one thing I've noticed with all of them is the original trigger shifters are either fubar'd or gone, usually replaced with grip shifters. Trigger shifters were pretty poorly made as far as duability goes, something I remember wondering about when I worked in shops in the 80's. Time has given me my answer.
    I found some. We'll see what they go for.

    Shimano Deore DX Flatbar Bike Shifter Brake Lever Set 3x7 Speed | eBay

    Oh hell no. Not on my bike.

  8. #8
    Constant tinkerer FastJake's Avatar
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    Quote Originally Posted by MR BIG STUFF View Post
    Instead of the often problematic early trigger shifters, I'd throw on some period-correct top-mount thumb shifters instead. They are probably more findable.
    Why "derailer" is the correct way to spell the gear-change mechanism: sheldonbrown.com/derailer.html

  9. #9
    Senior Member exmechanic89's Avatar
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    Thanks for posting those links. I'm gonna grab a couple pairs of the black ones, I think they're just what I'm looking for for my wife's 930 and my 950. They even look close enough to the originals that they'll look pretty good on the bikes.

    And Mr Big, that's probably the cleanest set of used Deore trigger shifters I've seen on eBay. Good luck but they'll probably end up going for as much as the bike you just bought. That's the thing, trigger shifters do come up once in a while, but they end up costing so much or look so sh*tty they're not worth buying to me.

  10. #10
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    Quote Originally Posted by FastJake View Post
    Instead of the often problematic early trigger shifters, I'd throw on some period-correct top-mount thumb shifters instead. They are probably more findable.
    An MB-3 should have came with trigger shifters in 1990 anyway --- Grant was anti "push-push" for as long as he could get away with it

  11. #11
    Senior Member MR BIG STUFF's Avatar
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    Quote Originally Posted by exmechanic89 View Post
    Thanks for posting those links. I'm gonna grab a couple pairs of the black ones, I think they're just what I'm looking for for my wife's 930 and my 950. They even look close enough to the originals that they'll look pretty good on the bikes.


    And Mr Big, that's probably the cleanest set of used Deore trigger shifters I've seen on eBay. Good luck but they'll probably end up going for as much as the bike you just bought. That's the thing, trigger shifters do come up once in a while, but they end up costing so much or look so sh*tty they're not worth buying to me.
    I hear you brother, they they went for $34 + 12 shipping, if I was going to keep it I would have ponied(sp?) up but I won't get that money back on CL.

    Quote Originally Posted by DMC707 View Post
    An MB-3 should have came with trigger shifters in 1990 anyway --- Grant was anti "push-push" for as long as he could get away with it
    I'm pretty sure this was push-push from the factory. I'll get a better picture of the left side.

  12. #12
    Senior Member MR BIG STUFF's Avatar
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    Or worse.

    But you can see it's push-push.

    HPIM1505.jpg

  13. #13
    Senior Member exmechanic89's Avatar
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    Quote Originally Posted by MR BIG STUFF View Post
    I hear you brother, they they went for $34 + 12 shipping, if I was going to keep it I would have ponied(sp?) up but I won't get that money back on CL.
    Yeah I'm not surprised they went for that. You should order a set of those shifters Oddjob posted links to. I'm gonna order a couple of pairs myself in fact.

  14. #14
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    Quote Originally Posted by exmechanic89 View Post
    Yeah try 'ímpossible' finding a replacement shifter like that, even eBay doesnt have them. It's funny, I've bought a lot of used 90's mtbs and one thing I've noticed with all of them is the original trigger shifters are either fubar'd or gone, usually replaced with grip shifters. Trigger shifters were pretty poorly made as far as duability goes, something I remember wondering about when I worked in shops in the 80's. Time has given me my answer.
    That has not been my experience. During the summer, I see perhaps as many as 4 or 5 sets a month, of varying group levels, in a wide range of maintenance conditions. True, the worst are the ones stored outside, but I've only been beaten by them twice. Every other set has been revived with a WD-40 bath, including the LX units on my bike.
    My bikes: '79 Trek 938, '80 Merckx, '86 Centurion Ironman, '09 Bianchi Dolomiti

  15. #15
    Senior Member exmechanic89's Avatar
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    Quote Originally Posted by nesteel View Post
    That has not been my experience. During the summer, I see perhaps as many as 4 or 5 sets a month, of varying group levels, in a wide range of maintenance conditions. True, the worst are the ones stored outside, but I've only been beaten by them twice. Every other set has been revived with a WD-40 bath, including the LX units on my bike.
    I should try the wd40 treatment on my wife's. It's basically giving the shifters a good spraying/soaking right? Do I need to turn them upside or anything?

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    Quote Originally Posted by exmechanic89 View Post
    I should try the wd40 treatment on my wife's. It's basically giving the shifters a good spraying/soaking right? Do I need to turn them upside or anything?
    Use the can with the straw, and spray the heck out of the mechanism after you've removed the plastic cover from the bottom (1 screw). You'll probably notice the old petrified grease clinging to the mechanism after you pull the cover. That's what's causing the problems, and what the WD dissolves. It can take a lot of flushing and clicking, but keep after it and they'll come around. I usually do it with the shifter still mounted to the bars. Makes operating them easier. In extreme cases I've had to remove them to get into them further. Not very often though.
    My bikes: '79 Trek 938, '80 Merckx, '86 Centurion Ironman, '09 Bianchi Dolomiti

  17. #17
    Senior Member exmechanic89's Avatar
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    Quote Originally Posted by nesteel View Post
    Use the can with the straw, and spray the heck out of the mechanism after you've removed the plastic cover from the bottom (1 screw). You'll probably notice the old petrified grease clinging to the mechanism after you pull the cover. That's what's causing the problems, and what the WD dissolves. It can take a lot of flushing and clicking, but keep after it and they'll come around. I usually do it with the shifter still mounted to the bars. Makes operating them easier. In extreme cases I've had to remove them to get into them further. Not very often though.
    Thanks, I'll give it a shot this weekend.

  18. #18
    cowboy, steel horse, etc LesterOfPuppets's Avatar
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    Wow, totally surprised by that shifter spec. Glad mine is a 1991, with DX thumbshifters.
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