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Update my 1993 Specialized Stumpjumper FS?

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Update my 1993 Specialized Stumpjumper FS?

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Old 01-15-11, 01:42 PM
  #1  
zimm
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Update my 1993 Specialized Stumpjumper FS?

I still ride my 1993 Stumpjumper FS (Future shock) and right now it's set up as an urban bike with semi-knobbie tires, platform pedals and lights.

I've had it since new, it got me through college, over 2000 miles of offroad, and I have far too much sentimental value in it to get rid of it.

The Deore LX drivetrain is really worn and the shifters are falling apart. So is the futureshock (rockshox mag 21 copy). Everything else is in okay shape.

I'd like to find a new suspension fork for it as well as a new drivetrain- shifters/BB/gears. Heck maybe even a new wheelset- the front is original.

The fork uses a 1 1/8" threaded stem. I have the old 7 speed LX rear.

What's my best bet? Is there a "drive-train-in-a-box" I can order and upgrade everything?

At this point, I wouldn't mind replacing everything but the frame....
As for info on the bike- I found this: http://www.bikepedia.com/quickbike/B...r+FS&Type=bike

and: http://www.bikeforums.net/showthread...Revitalization

Last edited by zimm; 10-23-18 at 11:40 AM.
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Old 01-15-11, 02:04 PM
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I'd probably just go for cassette, chain, shifters, fork. Is it a freehub on the rear? If so I'd probably go for 8-speed Sram bits which are pretty reasonably priced. Biggest bummer is that any reasonably priced suspension fork is going to be about two pounds heavier than the FS if it is an exact clone of the Mag 21. Well, that and you'd need a new headset and stem also.

One step up from that is getting a build kit. Biggest bummer with this is that I don't know where any build kits with rim brake rear wheels are to be had these days. Since your frame can't do disc brakes in the back, you'd have to source a rear wheel separately and sell the one you get in the kit. Kit rear brake lever may or may not work well with your current rear canti. If not you can keep using current rear lever or get V brakes on the back. You'd also have to pick your own fork a la carte for this option. Here's a link to one for $550.

One step up from that is to get a complete bike from bikesdirect.com or similar low priced bike seller that sells hardtails at prices that practically make the frame free. You could probably use everything but the seatpost and rear wheel/brakes off the donor bike, unless you can find one with disc brakes.

You may need a shim for the front derailer clamp. Many shops will have them for a buck or so.

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Old 01-15-11, 02:13 PM
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I would get new:
Chain
Cassette
Middle & Inner Chainring
and then
Some used or NOS shifters like what you have now
Start scanning ebay for a fork in the 80mm range like a Judy or Marzocchi Z.2
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Old 01-15-11, 02:14 PM
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Rock Shox Sid Race is the fork I'd go for if going with option #1.
Hmmm, it says 15mm axle. Might need a new front hub/wheel on that. I'll have to check. Also need to call seller and make sure it has rim brake bosses if you're gonna stay with rim brakes.
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Old 01-15-11, 02:15 PM
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Originally Posted by BluesDaddy View Post
Middle & Inner Chainring
good point. new rings likely in order if they're originals.
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Old 01-15-11, 02:34 PM
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Well the middle and inner chainrings have been replaced before. It's the rapidfire shifters that are falling apart.

Since almost nothing is really interchangeable, maybe just a new fork which would let me do new wheel and a front disc brake. Then new shifters and levers. Only trick is what shifters are compatible with old deore LX front and XT 7 speed rear?

I do really like that x.7 build kit though. That and a new fork would net me an almost new bike with front disc.

Question- will that head set work on my frame? I have a 1 1/8" threaded headset.

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Old 01-15-11, 02:39 PM
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Front compatibility is pretty much universal.
Here are your 7-speed Shimano compatible indexed choices if buying new:
http://www.universalcycles.com/shopp...1&category=770 (looks like they're out of fronts ATM.
http://www.universalcycles.com/shopp...3&category=770

If your rear wheel is a freehub, I'd go for 8-speed if I were you. Your rear derailer can handle 8-speed no problem, just need to match cassette and shifter.

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Old 01-15-11, 02:52 PM
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How do I tell if it's a freehub? I know the cassette pops off after removing the splined nut...
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Old 01-15-11, 02:59 PM
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Many freewheels take a splined tool also. If it's the original equipment from the 93 stumpjumper, it's a freehub.

Freehub cogs you pull off. Freewheel cogsets screw off.
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Old 01-15-11, 04:00 PM
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i bought a donor bike off craigslist to upgrade my 1991 garyfisher. now its mostly 9 spd xt. of course i had other issues you don't have (pressed in bb and 1/4 headtube)
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Old 10-23-18, 11:41 AM
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Thread from the dead. I spent some time and money and updated the 'ol Stumperjumper. I ride to and from school everyday with the kids, so I wanted something that rolls a little faster than my 29'er and not wear out the tires. Plus it's so darned cool.

-Raceface platform pedals
-Stripped and painted forks
-Cleaned and re-greased the head set
-New brake pads
-New saddle and seat post (dropped 5 ounces for $40)
-New cables and housings
-New grips
-Bar ends back in the spare parts bin




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Old 10-23-18, 12:48 PM
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Nice! Those Hoppers/Jumpers were just such classics. So you kept the fork? And were you able to revive the shifters?
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Old 10-23-18, 12:53 PM
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Originally Posted by madpogue View Post
Nice! Those Hoppers/Jumpers were just such classics. So you kept the fork? And were you able to revive the shifters?
Yup. It's the original Futureshock/Mag 21. It's still holding air, I bumped it to 45psi. The magnesium was corroding pretty bad so I used a flapper disk and 4.5" grinder to take it down to bare metal and shot it with metallic rustoluem.

The shifters are working. I took one side apart to pull the cable out, and it turns out you can feed the shifter cable out of the housing without unscrewing anything! Nice design. So now my rear shifter levers are indexed wrong, they're rotated a big too much towards the handlebar. I'll have to figure that out, but is shifts really smooth with the new cables.

It's amazing how much blue anodized "bling" I put in back in the day. Ball bearing derailleur pulleys, blue chainring bolts, Avid tri-align front brakes and triangles, roller bearing headset, titanium axle and seat skewers.
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Old 10-23-18, 01:40 PM
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Those tri-align brakes are so cool. Nice bike!
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Old 10-23-18, 02:22 PM
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Originally Posted by tricky View Post
Those tri-align brakes are so cool. Nice bike!
I think they were like $200 each back in the day. I scooped that one off a nashbar clearance probably 20 years ago for something like $30. Should have bought more than one set!
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Old 10-23-18, 04:12 PM
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Nice! I think I see a Prestige sticker? I have a 92 Comp with rigid fork and drop bars. They are great riding frames.
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Old 10-23-18, 04:32 PM
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Originally Posted by due ruote View Post
Nice! I think I see a Prestige sticker? I have a 92 Comp with rigid fork and drop bars. They are great riding frames.
I'd love a picture. Original rigid forks? What kind of drop bars?

Yup, prestige sticker. I took some close ups of the tri-align brakes. The hardware is corroded because it suffered through 6 years outside in Hawaii. That's a city of honolulu huge yellow registration sticker that will not come off on the frame.

The headset I had swapped out in '94 because I was launching down all the stair cases on college campus and kept knocking the headset loose. The "toro" has roller bearings and still going strong.




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Old 10-23-18, 05:54 PM
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Very cool! I would like a Stumpy but am getting by with a 1997 'Hopper. It was rigid fork but found a Marzocchi and a front wheel for disk with NOS Avid 7 on CL. Although it is a 100 mm fork, air allows for adjustments and proper height. Commuter configuration.
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Old 10-23-18, 09:40 PM
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I'd love a picture. Original rigid forks? What kind of drop bars?
Unfortunately a PO had removed the original rigid fork. I bought it cheap with a blown suspension fork and converted to single speed. I found this chrome Tange at an LBS and it's working fine. The bars are On One Midge, which I like a lot.

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Old 10-24-18, 08:02 AM
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looks great!
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Old 10-24-18, 11:03 AM
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Nice bike, reminds me of my '96 SWorks Rockhopper A1, a really nice riding frame that I am going to restore with the original Judy SL Ti-Bolt fork.
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