Specialized Stumpjumper Mystery
12-03-10, 03:31 PM
#1
David H.
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Specialized Stumpjumper Mystery
An acquaintance I did some bike work for owed me some money for about a year. No worries. He is moving to Florida and wanted to pay me so he gave me his "old bike"... It's a silver Specialized Stumpjumper in decent shape but I can find nothing about it after searching here and Googling it. The serial number is part of the mystery. AA455622. The other difference is it has braze-on's for two water bottles. Everything I am seeing for this era "Sport" only has one mount... Does anyone know anything or point me in the right direction please? I contacted Specialized via e-mail as well.
Thanks in advance and here are some pics:
Thanks in advance and here are some pics:
Last edited by HDavidH; 12-03-10 at 03:51 PM.
12-03-10, 03:42 PM
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12-03-10, 03:48 PM
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David H.
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Thanks. And that is another part of the mystery... That one only has one water bottle mount. I bet it's serial number starts with an "M" too... Mine has braze-on's for two water bottles and has that "AA" serial number I can find nothing about. Thanks again. Great touring conversion on it.
12-03-10, 03:58 PM
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I would not worry too much about te daul bottle brazeons, likely running production change.
great looking bike I love that long wheelbase. what is up with the RD can you post a closeup?
great looking bike I love that long wheelbase. what is up with the RD can you post a closeup?
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12-03-10, 04:03 PM
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David H.
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Here is the RD:
It appears to be a cheap Shimano SIS axle bolt-on. Surely a backyard replacement at some point?
It appears to be a cheap Shimano SIS axle bolt-on. Surely a backyard replacement at some point?
12-03-10, 04:10 PM
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David, before you do any converting, you might want to find out what that bike is worth. Very early Stumpys can sell for way more than the standard rigid fork MTB. I'm assuming you know that this is a top of the line MTB in its day.
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12-04-10, 06:26 PM
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The flat lugged fork tells me that it's pre-1984; they went to a lugged unicrown fork in 1985.
(I have a 1985 which I thought was from 1983. Great bike.)
Corey K
(I have a 1985 which I thought was from 1983. Great bike.)
Corey K
12-04-10, 06:47 PM
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My son's super clean 1983 Stumpjumper Sport.
In the house.
On the camping trip at Lake Itasca, headwaters of the mighty Mississippi.
In the house.
On the camping trip at Lake Itasca, headwaters of the mighty Mississippi.
12-04-10, 06:59 PM
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Looking at Gomango's son's bike and the OP's I'd say they are a match (other than the poor quality derailler that someone put on at some point). I'd love to have a 1983 Stumpy.
12-04-10, 07:37 PM
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I won't let my son see this post. He sells bikes as fast as we can find 'em.
This is right after we brought her home. 15 years of basement dust!
12-10-10, 03:28 AM
#13
David H.
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Thanks Gomango. Yours also has only one bottle mount. Mine has two. What is your serial number? Great replies! Much appreciated!
12-10-10, 03:30 AM
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David H.
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Thanks. I will not be converting it. It will go up for sell eventually to help finance my next bike... A Surly Pugsly.
12-10-10, 11:25 PM
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12-11-10, 08:27 AM
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this is a rather interesting repair. I would certainly look for good condition older RD to mate with this bike
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12-12-10, 12:13 PM
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^^Yep, needs a stags head Deore XT.
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12-13-10, 09:01 AM
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It would have come with a SunTour Mountech.
Mine has a later XT RD.
Mine has a later XT RD.
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12-20-10, 08:49 AM
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12-20-10, 09:40 AM
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I have an '86 (I think) SJ Sport. I bought it about three years ago. Had a Deore LX RD that I've replaced. I have know way of knowing if it was original. I'm not that much of a Shimano historian.
Unicrown fork, horizontal dropouts, two bottle mounts, specialized cranks, cro-mo bars, bolt on wheels. The big chainring was a 50 which I'm pretty sure was non-factory. When I replaced that with a 46 and lowered the FD a bit, a few problems with the FD went away. The BB has conventional bearings. It was loose balls, but I dropped in some parts-bin caged balls when I counted an odd number.
I now have Nitto albatross bars on it with bar-end shifters. This is my main commuter.
Unicrown fork, horizontal dropouts, two bottle mounts, specialized cranks, cro-mo bars, bolt on wheels. The big chainring was a 50 which I'm pretty sure was non-factory. When I replaced that with a 46 and lowered the FD a bit, a few problems with the FD went away. The BB has conventional bearings. It was loose balls, but I dropped in some parts-bin caged balls when I counted an odd number.
I now have Nitto albatross bars on it with bar-end shifters. This is my main commuter.
12-20-10, 02:34 PM
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All these long wheelbases are messing with my head. I'd love one of these bikes, but I'd feel like I was on an xtracycle. Look at all that space behind the seat tube!
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