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Show Your Vintage MTB Drop Bar Conversions

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Show Your Vintage MTB Drop Bar Conversions

Old 11-19-15, 07:32 PM
  #4501  
Bikedued
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I just found this little bike last night. DX down to the pedals, shiny hardly used RM20 rims. Just a little rust on the chrome bits. This bike is going to make one of mountain bikes much nicer. I have never run across a Supergo before. Lots of interesting features on the frame. Offset pump peg, oval seat tube where it meets the bottom bracket. The Tange tubing decal even lists individual tube thicknesses? NEVER seen that done before. Seamless butted Chromoly. I REALLY wish this one fit.. I think my Maroon Urban Express might be on the receiving end. It also uses a 29.4 seatpost? is that weird or what?,,,,BD















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Old 11-19-15, 07:37 PM
  #4502  
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I am also going to have a closer look above that tubing decal, right below the weld. It might be cracked? The wheels look perfectly straight though. If it is, the purchase price was worth it for the components and wheels alone.,,,,BD

Last edited by Bikedued; 11-19-15 at 07:40 PM.
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Old 11-19-15, 07:45 PM
  #4503  
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I used to pore over the Supergo bikes in the catalogs BITD. Nice and cheap for the parts specs.

That is a crazy seattube diameter. Tange must have been making fat seattubes for someone else also, and Supergo got 'em from the same Taiwan shop.
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Old 11-20-15, 03:54 AM
  #4504  
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Fixed cup on the BB is frozen on it. A shame since everything is such great shape minus a little neglect. I think maybe in a couple of hours when it gets light out, I will try a C clamp and a couple of pieces of wood to hold the wrench on while I tap it with a hammer. There wasn't a speck of dirt or rust on the threads of the other side, so it may just be super tight.
I also have a Taiwan frame made for Santa Fe, that has a lot of the same features, including the fat headset and literally the same paint job. They probably came from the same factory.,,,,BD




Last edited by Bikedued; 11-20-15 at 04:05 AM.
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Old 11-20-15, 04:33 AM
  #4505  
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Nice score @Bikedued I picked up a real nice Technium equipped like that. It wound up being a donor bike. I gave the frame to the service mgr at my LBS. He helped me out a lot in the past. Now I'm waiting for just the right frame to come along.
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Old 11-20-15, 05:54 AM
  #4506  
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Well, isn't this just grand. I didn't mean to post all of this in the drop bar thread, but in the vintage mtb thread. Oh well.... I probably entered a partial thread name in the address window, and it popped this up with the drop bar designation chopped off the end. Apologies.. Still a nice find.,,,,BD
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Old 11-20-15, 06:20 AM
  #4507  
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Because you are going to drop-bat them of course

have you tried the bolt/nut trick from St. Shelton's website? Works every time for me with stuck BB fixed cups.
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Old 11-20-15, 06:57 AM
  #4508  
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I might have to resort to that at some point. As it is, I had the frame upside down, standing on the grips, and pushing the wrench with both hands. No movement at all.,,,,BD
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Old 11-20-15, 08:35 PM
  #4509  
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It was in regards to the univega alpina pro the actual first post in the thread. Sorry for my ignorance on replies to the thread i am a new guy lol
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Old 11-24-15, 07:12 PM
  #4510  
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Before:


After:



I wanted to try the mustache bar/fat tire koolaid!
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Old 11-25-15, 08:20 AM
  #4511  
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Originally Posted by simmonsgc View Post
Finally got this into a roller. Commuted on it for the first time today. Love it-- rides great, fits great! 1988 Bridgestone MB/2 frame, unknown lugged fork off eBay. The plan is to make sure it's all good, then break it down and sandblast/paint.



Just an update. Been riding this to work for 6 months. Breaking it down tonight to go to powdercoat on Friday. Back to the original indigo blue. Gonna lose the biopace for XD, and maybe will change the drivetrain over to Suntour. I have an old XC in the drawer.
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Old 11-25-15, 01:21 PM
  #4512  
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Originally Posted by Bikedued View Post
I just found this little bike last night. DX down to the pedals, shiny hardly used RM20 rims. Just a little rust on the chrome bits. This bike is going to make one of mountain bikes much nicer. I have never run across a Supergo before. Lots of interesting features on the frame. Offset pump peg, oval seat tube where it meets the bottom bracket. The Tange tubing decal even lists individual tube thicknesses? NEVER seen that done before. Seamless butted Chromoly. I REALLY wish this one fit.. I think my Maroon Urban Express might be on the receiving end. It also uses a 29.4 seatpost? is that weird or what?,,,,BD
Nice find. Ovalized seat tubes were very common in this era as it negated the compound miter on the downtube and was a corner easily cut in production. You could also claim that is increased lateral stiffness, but I doubt that is true.

29.4 mm was also used by fairly high end brands of the era such as Fat Chance and Independent Fabrications. As such high end 29.4 posts from the era (Syncros.Ringle etc.) are worth a mint.
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Old 11-25-15, 02:52 PM
  #4513  
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Originally Posted by THEJAPINO View Post
After:



I wanted to try the mustache bar/fat tire koolaid!
That looks really good. If you're going to put slicks on a mountain bike they should be fat slicks IMO.
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Old 11-25-15, 04:13 PM
  #4514  
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Originally Posted by THEJAPINO View Post
I wanted to try the mustache bar/fat tire koolaid!
I bet that will be a CUSHY ride. Not enough "o's" in smooooth. Thumb shifter(s)?
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Old 11-25-15, 04:24 PM
  #4515  
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Originally Posted by simmonsgc View Post
I bet that will be a CUSHY ride. Not enough "o's" in smooooth. Thumb shifter(s)?
the tires are a bit hard but I got them for a good deal. I have a single 7s Suntour Command shifter under there pulling a Suntour XCD rear derailleur and a Hyperglide 7s cassette. Temporary bar tape is on there until I finalize the cockpit after some time on the saddle!
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Old 11-25-15, 05:11 PM
  #4516  
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I had my Bridgestone MB-1 set up with drop bars for awhile, but the kind of traffic I ride in makes a flat bar setup safer so it now has trekking bars.

It was a fantastic ride as a heavy-duty road bike. I'd sometimes go out for 50-milers on it.

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Old 11-25-15, 05:19 PM
  #4517  
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Originally Posted by Eric S. View Post
I had my Bridgestone MB-1 set up with drop bars for awhile...
A drop bar MB-1? More pics please!
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Old 11-25-15, 05:25 PM
  #4518  
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Originally Posted by Bikedued View Post
...literally the same paint job. They probably came from the same factory.,,,,BD
Yeah, too bad it's not a fit for you. I always thought those 'micro-drizzle' paint jobs were really cool. The Supergo one looks especially nice. And what a decent build on that bike.
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Old 11-25-15, 05:28 PM
  #4519  
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Originally Posted by THEJAPINO View Post
Before:


After:



I wanted to try the mustache bar/fat tire koolaid!
What tires are those?
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Old 11-25-15, 05:47 PM
  #4520  
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Originally Posted by CannedPakes View Post
What tires are those?
SunLite 26x2.125 is all i could find. I picked them up at a co-op.
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Old 11-26-15, 06:44 PM
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Happy Thanksgiving!!! Ok, rode it a few hours today. Everything worked as it should. A little tweaking here and there to fit!

Here it is in riding form:


Here's the single 41T chainring and the 48T big ring I ground down to bashguard duty. The chain didn't drop today. That's always nice.


Heres the cockpit and new tape:


Here's the Suntour Command 7s shifter pulling a Suntour XCD rear der. through a Hyperglide 7s cassette. There was some ghost shifting but a half a turn on the barrel adjuster brought it back to acceptable shifting.

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Old 11-28-15, 11:35 PM
  #4522  
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Would this all black Shimano crankset look out of place on a 1995 Trek 820? Thinking about trying another drop bar conversion. Have the 820 in "Sage" - soft shimmer green.

Shimano Acera M361 Square Crankset > Components > Drivetrain > Cranksets | Jenson USA
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Old 11-28-15, 11:40 PM
  #4523  
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Originally Posted by Velocivixen View Post
Would this all black Shimano crankset look out of place on a 1995 Trek 820? Thinking about trying another drop bar conversion. Have the 820 in "Sage" - soft shimmer green.

Shimano Acera M361 Square Crankset > Components > Drivetrain > Cranksets | Jenson USA
Not unless you leave the pant guard on, hehe.,,,,BD
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Old 11-28-15, 11:53 PM
  #4524  
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@Bikedued - haha! Thanks for the quick reply.

So about a year ago I had a 1995 Trek 820 - the super glossy "ice" purple fade. I put on a Nitto Dirt drop stem & settled on Soma Portola bars, and a B17. It fit great and was fun for me to ride but I couldn't get the quill stem down to where I wanted it because the head tubes on these are short. I hate to cut the stem shorter, but I don't need that much sticking out. Plus lots of seat post showing too. The usual issue is when I get a bike with the right top tube length I end up with a lot of seatpost showing.

The Portola bars have a 26.0 clamp area and the Kalloy "dirt drop" quill stems only come in 25.4, thus the need to buy the Nitto stem. I've been known to cut down a Technomic on occasion...
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Old 11-29-15, 09:39 AM
  #4525  
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Originally Posted by simmonsgc View Post
Yeah, too bad it's not a fit for you. I always thought those 'micro-drizzle' paint jobs were really cool. The Supergo one looks especially nice. And what a decent build on that bike.
Yes, they are cool ! this one is a Schwinn.
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