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-   -   Show Your Vintage MTB Drop Bar Conversions (http://www.bikeforums.net/classic-vintage/828426-show-your-vintage-mtb-drop-bar-conversions.html)

ThermionicScott 01-02-13 09:44 PM

Quote:

Originally Posted by rodar y rodar (Post 15112501)
No kidding? It sure doesn`t look like 30+ to me.

She'll be thrilled to hear you said that. ;)

Yeah, I even re-weighed it for this thread to make sure. While the Brooks B17 and studded 26"x1.95" tires don't help, I think the frame itself is straight-gauge rather than butted tubing. That's what makes these MTB conversions so tough, though!

neo_pop_71 01-02-13 10:06 PM

Quote:

Originally Posted by wrk101 (Post 15112967)
Sometimes, the best source for a specific part is a complete bike.

Great point wrk101!

I've bought two 1982 Stumpjumpers, both tig welded pre-lugged frames, in the past month for well below the market value. My only purpose in buying was to rob parts. I know that might sound harsh but these were well used bikes, some stock parts have been replaced by modern garbage. Collector specials they were not by any stretch, but as a daily rider or for parts they are ideal! I've seen a Stumjumper "Bi-plane" fork or a TA crankset go on Ebay for more than I paid for both bikes.

realestvin7 01-02-13 10:07 PM

Quote:

Originally Posted by wrk101 (Post 15112967)
First problem with brifters is cost. Second problem is that you will need to change out FD to a road version. Myself, part of the exercise was to do a conversion, with a garage sale bike, at minimal cost.

I always use the Suntour friction barcons. Pricing has firmed up quite a bit on them, I am fortunate to have gotten a nice supply before the run up. If you don't mind the additional work, I have gotten a couple of sets off flip bikes, a 1977 Nishiki International for example. The International is not really a touring bike, and the market around here for a bike like that, will not appreciate (or even like) barcons. So I swapped them out with DT levers, which are plentiful.

Sometimes, the best source for a specific part is a complete bike.

Explain the front derailleur issue to me, please.

Also, Suntour bar end shifters were ending sub-$27 a couple weeks ago, regardless of minty condition or not.

frantik 01-02-13 10:10 PM

Quote:

Originally Posted by ThermionicScott (Post 15113055)
I think the frame itself is straight-gauge rather than butted tubing.

do you have the frame sticker still? That's the Ascent right (not Ascent EX) ? The way I remember the better Diamondback models is that they all start with A (in order from best to worst): Axis, Arrival (aluminum), Apex, Ascent EX, Ascent. The Ascent (non-EX) was mid-low in 1987 range though... looks like it's probably crmo main tubes an hi-ten fork and stays

http://mombat.org/87DB3.jpg

Bikedued 01-02-13 10:12 PM

For some reason the Schwinns of that period, including my High Sierra can't take much more than a 1.95? I have Giant 2.1's on it right now, and it's a VERY tight fit. Like if the wheel went out of true even 1/8", I'd be carrying it home. Why they opted for such a tight rear triangle, is a mystery.,,,,BD

Bikedued 01-02-13 10:16 PM

Quote:

Originally Posted by neo_pop_71 (Post 15113134)
Great point wrk101!

I've bought two 1982 Stumpjumpers, both tig welded pre-lugged frames, in the past month for well below the market value. My only purpose in buying was to rob parts. I know that might sound harsh but these were well used bikes, some stock parts have been replaced by modern garbage. Collector specials they were not by any stretch, but as a daily rider or for parts they are ideal! I've seen a Stumjumper "Bi-plane" fork or a TA crankset go on Ebay for more than I paid for both bikes.


Are either one of them huge? Like my Cannondale, and High Sierra? I'd love to get my hands on one of those. I almost got a 83-84 lugged Stumpjumper Sport a while back, but the guy backed out. It was supposed to be part of a trade, when I got my Cannondale back after two years. Two bikes for two bikes.

A lugged stumjpumper (TA cranks, etc)is one of my dream bikes. Been looking for one for a while now, and they always seem to escape my grasp at the last second, or I don't have much money, like now. Funny, another of my dream bikes is one of the blue Raleigh Professionals with the silver accents. Maybe I have a thing for light metallic blue?,,,,BD

frantik 01-02-13 10:26 PM

Quote:

Originally Posted by Bikedued (Post 15113154)
For some reason the Schwinns of that period, including my High Sierra can't take much more than a 1.95? I have Giant 2.1's on it right now, and it's a VERY tight fit. Like if the wheel went out of true even 1/8", I'd be carrying it home. Why they opted for such a tight rear triangle, is a mystery.,,,,BD

yeah i have that problem too.. i get rear tire rub with the Kenda K838s sometimes even when the wheels are true. the fat "lip" on the k838s may actually be wider than 1.95.. sounds like a job for my digital caliper

ThermionicScott 01-02-13 10:41 PM

Quote:

Originally Posted by frantik (Post 15113148)
do you have the frame sticker still? That's the Ascent right (not Ascent EX) ? The way I remember the better Diamondback models is that they all start with A (in order from best to worst): Axis, Arrival (aluminum), Apex, Ascent EX, Ascent. The Ascent (non-EX) was mid-low in 1987 range though... looks like it's probably crmo main tubes an hi-ten fork and stays

Oops, I forgot to mention that the sticker says "Tange cro-moly" on the fork and seat tube. Good steel for sure, but there's no mention of it being butted to save weight. ;)

I'm guessing that they decided to upgrade the specs on the Ascent (non-Ex) at some point, since mine also had a Deore crank with 48-38-28 Biopace rings. Many of the components have 1987 or 1988 date codes.

Bikedued 01-02-13 10:43 PM

I have some Tioga Psychos with skinwalls, that I may try to throw on it. They're not so wide. Hopefully the tall knobs won't catch on the roller cam, cams.,,,,BD

neo_pop_71 01-02-13 11:04 PM

5 Attachment(s)
Hey all-

Here would be a great frame for a dirt drop build and it's the nice "good guy" price of $40.00! The frame is a Terranaut touring frame, lugged steel, Japanese made, and double eyelets front and back. The Terranaut was the house brand for The Touring Cyclist Bike Shop(s) in St. Louis. My buddy picked one up cheap years ago and it's still his main bike, he loves it! The double water bottle bosses on the down tube remind me of my '85 Ritchey Timber Comp... to be honest the whole bike feel like a Ritchey knock off (geometry, almost "Bi-lane" fork).

Here is the info (phone number included):
[h=2]Terranaut Touring Frame Vintage Lugged Steel 55cm - $40 (Rialto/Fontana)
This is a 1980s Terranaut frame. It's designed for 26 inch wheels and cantilever brakes. It looks perfect to be used as a mountain bike or as a touring bike (reminds me of some of Rivendell's heavier duty offerings). Terranauts were the house brand of a bicycle shop in St. Louis. It's a pretty sturdy frame that looks very versatile. Comes with the tires, wheels set, bottom bracket, seat and seat post. Pretty much everything you see in the photo. This bike could be made into an awesome off-road/on-road tourer or adventure bicycle. It has lots of eyelets for fenders and racks. The seat tube is about 55cm and the top tube is 58cm. The chain stays appear to be 46cm. I'm not sure what the stand over is exactly, but it was comparable to my other two bikes and they had a stand over of 809mm.
CAll or text at 951.565.6949.
[/h]
Forgive me mods... I know this should go in the Craigs forum but since this is specifically related to a dirt drop build, please forgive me and let it slide. Thanks!
http://bikeforums.net/attachment.php...hmentid=291453http://bikeforums.net/attachment.php...hmentid=291458http://bikeforums.net/attachment.php...hmentid=291459

Bikedued 01-02-13 11:35 PM

VERY tempting!! Looks to be close to what I need size wise. I doubt the standover is 31, with a head tube that long. Stranger things have happened though. It would get Mountech, friction thumbies, and bullmoose bars if I had it though? It looks too cool, especially in orange, to not go back original style.,,,,BD

4funbikes 01-05-13 08:39 AM

what a deal on the bike!

wrk101 01-05-13 09:50 AM

Quote:

Originally Posted by realestvin7 (Post 15113137)
Explain the front derailleur issue to me, please.

Also, Suntour bar end shifters were ending sub-$27 a couple weeks ago, regardless of minty condition or not.

MTB FDs have different cable travel than road FDs. MTB RDs have the same cable travel as road RDs. Shimano brifters are designed for road derailleurs.

Suntour barcons on ebay:

These ended yesterday for $60, are nice condition, but not NOS:

http://www.ebay.com/itm/Suntour-Bar-...p2047675.l2557

Another pair ended yesterday for $35 shipped.

This set went on New Year's Eve for $55.

http://www.ebay.com/itm/Suntour-3090...p2047675.l2557

And the winner, $85 shipped:

http://www.ebay.com/itm/suntour-bar-...p2047675.l2557

I missed the winner, $119.55 shipped for NOS!! I've got a NOS set, in the original packaging, I need to put them out there.

http://www.ebay.com/itm/Suntour-Barc...p2047675.l2557


Note, some went for less, typical ebay. $27 or less is pretty unusual, and you will see me buying them if I see them.

neo_pop_71 01-05-13 11:07 AM

Quote:

Originally Posted by wrk101 (Post 15122234)
Note, some went for less, typical ebay. $27 or less is pretty unusual, and you will see me buying them if I see them.

Oh man, now I see Bill... you're the reason why I've never landed a good deal on Barcons... you're gobblin' them up!!!

YoKev 01-05-13 12:26 PM

Just to muddy the water, I currently am running a compact double road crankset, dura ace 10 speed brifters, and a mountain bike triple FD with the limit screws adjusted properly. Works pretty darn good.

rodar y rodar 01-05-13 02:21 PM

Quote:

Originally Posted by ThermionicScott (Post 15113055)
Yeah, I even re-weighed it for this thread to make sure. While the Brooks B17 and studded 26"x1.95" tires don't help, I think the frame itself is straight-gauge rather than butted tubing.

I didn`t notice the studded tires in your pic. When I have them on my commuter it feels like I`m towing a Winnebago up the hills!

Quote:

Originally Posted by YoKev (Post 15122692)
Just to muddy the water, I currently am running a compact double road crankset, dura ace 10 speed brifters, and a mountain bike triple FD with the limit screws adjusted properly. Works pretty darn good.

Is that bike already starring in this thread? If it is, I need to go back and look for it- so many I can`t keep track. It sounds interresting.

neo_pop_71 01-05-13 03:35 PM

Yeah, me too... hey, YoKev, can you give a link if you bike is already posted. If it's not, I'd love to see some pics of the bike and the drivetrain.

Thanks!

-D-

Smokinapankake 01-05-13 05:17 PM

Quote:

Originally Posted by neo_pop_71 (Post 15113283)
Hey all-

Here would be a great frame for a dirt drop build and it's the nice "good guy" price of $40.00! The frame is a Terranaut touring frame, lugged steel, Japanese made, and double eyelets front and back. The Terranaut was the house brand for The Touring Cyclist Bike Shop(s) in St. Louis. My buddy picked one up cheap years ago and it's still his main bike, he loves it! The double water bottle bosses on the down tube remind me of my '85 Ritchey Timber Comp... to be honest the whole bike feel like a Ritchey knock off (geometry, almost "Bi-lane" fork).

Here is the info (phone number included):
Terranaut Touring Frame Vintage Lugged Steel 55cm - $40 (Rialto/Fontana)
This is a 1980s Terranaut frame. It's designed for 26 inch wheels and cantilever brakes. It looks perfect to be used as a mountain bike or as a touring bike (reminds me of some of Rivendell's heavier duty offerings). Terranauts were the house brand of a bicycle shop in St. Louis. It's a pretty sturdy frame that looks very versatile. Comes with the tires, wheels set, bottom bracket, seat and seat post. Pretty much everything you see in the photo. This bike could be made into an awesome off-road/on-road tourer or adventure bicycle. It has lots of eyelets for fenders and racks. The seat tube is about 55cm and the top tube is 58cm. The chain stays appear to be 46cm. I'm not sure what the stand over is exactly, but it was comparable to my other two bikes and they had a stand over of 809mm.
CAll or text at 951.565.6949.



Forgive me mods... I know this should go in the Craigs forum but since this is specifically related to a dirt drop build, please forgive me and let it slide. Thanks!
http://bikeforums.net/attachment.php...hmentid=291453http://bikeforums.net/attachment.php...hmentid=291458http://bikeforums.net/attachment.php...hmentid=291459

So that's about 21-5/8" seat tube, 22-7/8" top tube. Very tempting indeed, if I didn't already have two 1985 Peugeot Canyon Express's. Those 18" chainstays are ideal for mounting a rack and some big panniers. That's a screaming deal for my area - most of what we have here is dept. store junk or overpriced for what it is. Hmmm, how can I justify another bike?

rodar y rodar 01-05-13 05:50 PM

3 Attachment(s)
Not mine, and not vintage, but I think a lot of your guys might appreciate this mindboggling C-dale Badboy that a an mtbr member (username sakurama) posted last year in the commuter subforum. I wish he had a blog or something I could link to, but I don`t see anything like that in his signature, so the only way I know to show his bike here is like this.

frantik 01-05-13 05:55 PM

guy's missing half his fork! ;)

neo_pop_71 01-05-13 06:38 PM

Quote:

Originally Posted by rodar y rodar (Post 15123545)
Not mine, and not vintage, but I think a lot of your guys might appreciate this mindboggling C-dale Badboy that a an mtbr member (username sakurama) posted last year in the commuter subforum. I wish he had a blog or something I could link to, but I don`t see anything like that in his signature, so the only way I know to show his bike here is like this.

Yep, for a modern bike, that's a pretty slick set up! I'm especially interested in the anchored cable junction, that's a really tidy way to keep your housing low and tight.

Thanks for sharing!

-D-

rodar y rodar 01-05-13 06:39 PM

Quote:

Originally Posted by frantik (Post 15123558)
guy's missing half his fork! ;)


That ain`t nuthin. Check out the roadie forum where a lot of guys are missing half their spokes :eek:

EDIT: Neo-Pop, that`s a converter of some kind to work hydraulic brakes with the Ergos.

neo_pop_71 01-05-13 06:57 PM

Terranaut touring steal of a deal
 
I certainly don't need a bike but I've said that plenty of times before picking up another... that Terranaut is very tempting and is still available. The seller and I exchanged a few messages and I did verify the availability. I'm trying to talk myself out of driving and picking it up (gas prices too high, traffic is lousy, not eco friendly for a specific long trip in my truck) and I'm quite proud that I've resisted this many days, especially since I've been off work for the holidays. If for some reason I have a need to head an hour east of my home, I'm going to pick up that sweet deal on my way! I don't want another project! One of you need to hurry up and buy it from the guy, c'mon one of you must have a family member or in-law that live near Fontana (or as I like to call it, Fontucky) in the Inland Empire!

Someone... anyone???

-D-

brockd15 01-05-13 09:43 PM

If I knew someone in the area that could pick it up and ship it I'd probably take it. I don't need it either, but I like it and I don't have anything similar.

Quote:

Originally Posted by neo_pop_71 (Post 15123745)
I certainly don't need a bike but I've said that plenty of times before picking up another... that Terranaut is very tempting and is still available. The seller and I exchanged a few messages and I did verify the availability. I'm trying to talk myself out of driving and picking it up (gas prices too high, traffic is lousy, not eco friendly for a specific long trip in my truck) and I'm quite proud that I've resisted this many days, especially since I've been off work for the holidays. If for some reason I have a need to head an hour east of my home, I'm going to pick up that sweet deal on my way! I don't want another project! One of you need to hurry up and buy it from the guy, c'mon one of you must have a family member or in-law that live near Fontana (or as I like to call it, Fontucky) in the Inland Empire!

Someone... anyone???

-D-


wrk101 01-05-13 10:24 PM

Quote:

Originally Posted by neo_pop_71 (Post 15123745)
I certainly don't need a bike but I've said that plenty of times before picking up another... that Terranaut is very tempting and is still available. The seller and I exchanged a few messages and I did verify the availability. I'm trying to talk myself out of driving and picking it up (gas prices too high, traffic is lousy, not eco friendly for a specific long trip in my truck) and I'm quite proud that I've resisted this many days, especially since I've been off work for the holidays. If for some reason I have a need to head an hour east of my home, I'm going to pick up that sweet deal on my way! I don't want another project! One of you need to hurry up and buy it from the guy, c'mon one of you must have a family member or in-law that live near Fontana (or as I like to call it, Fontucky) in the Inland Empire!

Someone... anyone???

-D-

Definitely a deal.

Reminds me, I really need to pull out the Rocky Mountain bike I have in the basement. Needs a complete repaint. But its a pretty interesting frame.


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