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Tandem Cycling A bicycle built for two. Want to find out more about this wonderful world of tandems? Check out this forum to talk with other tandem enthusiasts. Captains and stokers welcome!

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Old 12-14-09, 09:02 PM   #1
bobthib
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Not your grandfather's tandem - Specialized S-Works Concept

Awesome Specialized S-Works Concept Tandem. No sync chain. Very aero.

http://www.twitvid.com/914E9

About 1 min in. Is that really a Member's Only jacket he's wearing?

Sorry if this was already posted. Tried the lousy search, no hits.
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Old 12-14-09, 10:46 PM   #2
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Looks nothing like the Specialized tandem I had 10+ years ago...
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Old 12-15-09, 12:07 AM   #3
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Very nice. I grabbed some screenshots.



I wonder what Specialized plans to do with this? Enter it in the NAHBS? Racing? It appears to have been made with no thought toward eventually producing a Specialized Tandem for sale.

I've often thought that if manufacturer was well placed to pony up to make the molds for production carbon tandem frame it would be Specialized. This because they could sell a tandem they could make money not only on the frame, but most all of the componentry as well. With all their dealers, they'd have someone to sell the product. It is nice to see Specialized doing something with tandems, but what exactly this is it is hard to say.
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Old 12-15-09, 06:17 AM   #4
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Wow! Beautiful! For the life of me, though, I can't see a front derailleur! I see two chainrings, but no FD! Anybody whose eyes are better than mine clue me in?

Also, it appears to have a cable-actuated RD. If it were me, it would have been been a ride-by-wire rig (Di2)!
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Old 12-15-09, 07:28 AM   #5
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I expect this will grace the stand of an industry show at some point. I imagine he's gutted not to have made the cut for their Interbike stand. I'm hoping to see a few more pictures of this in some magazines.

Regarding whether it works, car manufacturers often show concepts which do no more than look nice and roll and steer well enough to more from back stage onto the stand. The idea is to gauge public reaction to a concept and indicate a new design direction not to show a fully working prototype. Underneath the paint this could be made of plywood or rapid prototype plastic sections.

I for one would love to see another major manufacturer developing a mid to high end tandem line. I was disappointed Trek couldn't make its product work. I think they went wrong on the stratospheric pricing for what was really a mid-market tandem. I'm not sure how Specialized would get the economics to work out - I don't think there is sufficient market for expensive tandems to support 3 or 4 sizes of tandem mould at 50K+ each. ..However if they were able to do something clever by mating the front half of last year's road bike with a standard rear end I think they could be in business. Of course it would need a new layup etc. and look nothing like the tandem here.

An alternative might be that they know something about the market that I don't and figure that growth in tandems will be massive so the business case works...
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Old 12-15-09, 07:40 AM   #6
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tandem

Lemond

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Old 12-15-09, 07:45 AM   #7
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Lemond
And your point is?
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BICYCLE - [bahy-si-kuhl] - Noun :> A medical device used to correct the common geriatric condition of OFS, (Old, Fat & Slow), in a manner that does not induce brain-decaying boredom like walking or running.

2005 Trek T2000 Tandem, 2003 Burley Tosa Tandem, Pacific Dualie beater tandem, and 6 singles including 2 fixies.

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Old 12-15-09, 10:13 AM   #8
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It certainly looks fast and futuristic!
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Old 12-15-09, 10:15 AM   #9
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I for one would love to see another major manufacturer developing a mid to high end tandem line. I was disappointed Trek couldn't make its product work. I think they went wrong on the stratospheric pricing for what was really a mid-market tandem.
...
I don't know about pricing in the UK, but the Trek tandem was actually one hell of a buy in the US. It was really quite close to Co-Motion and Santana offerings at $thousands less. But Trek Marketing ignored it, the public misperceived it as a high-priced Cannondale equivalent, and dealers shunned it. A damned shame. Trek is unlikely to try again... unless, of course, their nemesis Specialized gives it a go
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Old 12-15-09, 07:28 PM   #10
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Interesting design exercise that would make for some nice wall art...
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Old 12-15-09, 07:34 PM   #11
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Lemond
That one-off made for Lemond is tucked away on a gentleman's Yak ranch east of Seattle, WA...
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Old 12-15-09, 10:15 PM   #12
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That one-off made for Lemond is tucked away on a gentleman's Yak ranch east of Seattle, WA...
In Issaquah?
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Old 12-15-09, 10:20 PM   #13
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I believe that one-off Lemond is a few years old. I don't think it is that light either, at least those HED 3 wheels weigh a ton. I'd bet a buck that Specialized is quite a bit lighter.
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Old 12-15-09, 10:21 PM   #14
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In Issaquah?
Google?
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Old 12-15-09, 10:38 PM   #15
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I believe that one-off Lemond is a few years old. I don't think it is that light either, at least those HED 3 wheels weigh a ton. I'd bet a buck that Specialized is quite a bit lighter.
Yes, it's very long in the tooth... from the 90's. If memory serves, weight wise it is in the mid-30lbs range and has very nice ride qualities. However, given how rare the frame is it was turned into wall art shortly after it was acquired as the owner had (and likely still has) a robust fleet of road and off-road tandems that he used when he and he wife were still doing a lot of tandem riding. It would be hard to guess what the Specialized weighed without understanding how the shaft drive system was designed. However, that said, the Lemond is an all around road tandem that can be ridden like a normal tandem and is not a purpose built time trial sled with minimal brakes, no front deralleur and some serious sizing / ergo fitting constraints.
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Old 12-15-09, 11:24 PM   #16
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Have seen, and even ridden, a few prototype tandems. Some never make it to market
Giving Specialized's record on producing a tandems before, this may very well be a one-of.
Here's one by Trek . . . and a woodie tandem.
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Old 12-15-09, 11:25 PM   #17
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Underneath the paint this could be made of plywood or rapid prototype plastic sections.

I don't think there is sufficient market for expensive tandems to support 3 or 4 sizes of tandem mould at 50K+ each.
I was considering similar thoughts about this bike. While it may be fully functional, the time and cost spent to build this frame as it appears on the outside, would seem a bit excessive.

Not saying it wouldn't be possible and within a reasonable budget to have a pattern made from a tooling material, fabricate a non metallic mold, and fabricate a carbon frame as shown.

Point is, I would be very surprised if they made tooling worthy of a long production run for what we see here.

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Old 12-16-09, 06:03 AM   #18
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Here's one by Trek . . . and a woodie tandem.
Had to search to find a clearer pic of the woodie, and sure enough it now sports carbon belt drive! I don't recall this feature when I first saw this behemoth, but maybe my memory fails me! Either way, it's truly an affectation on a bike weighing 114 pounds! An interesting project, though.

Here's a link to 9 more pics and a Cnet article:
http://news.cnet.com/2300-1008_3-620...html?tag=mncol
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BICYCLE - [bahy-si-kuhl] - Noun :> A medical device used to correct the common geriatric condition of OFS, (Old, Fat & Slow), in a manner that does not induce brain-decaying boredom like walking or running.

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Old 12-16-09, 06:17 AM   #19
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Had to search to find a clearer pic of the woodie, and sure enough it now sports carbon belt drive!
No... it's just using BMX drive rings which from a distance may look like belt pulleys. The chain looks more solid than it should only because it appears to be covered in a dirt encrusted greasy film.

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Old 12-16-09, 06:24 AM   #20
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Here's one by Trek . . . and a woodie tandem.
Somehow sticking a different type of shifting mechanism on an existing frame doesn't rise to the level of "prototype". That's just kluging-together off-the-shelf parts. The woodie is, well, art... form over function.
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Old 12-16-09, 06:29 AM   #21
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Hmmm. I guess you're right! Well, at least he's riding his bike. Now if he'd learn how to clean it ....
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BICYCLE - [bahy-si-kuhl] - Noun :> A medical device used to correct the common geriatric condition of OFS, (Old, Fat & Slow), in a manner that does not induce brain-decaying boredom like walking or running.

2005 Trek T2000 Tandem, 2003 Burley Tosa Tandem, Pacific Dualie beater tandem, and 6 singles including 2 fixies.

TampaBayCycling.com - A LOCAL Cycling Forum
The Florida Panthers Tandem Club

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Old 12-16-09, 06:58 AM   #22
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And your point is?

no point needed.
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Old 12-16-09, 10:05 PM   #23
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This is not Specialized Robert Egger's first concept tandem. Popular Science ran an article in Aug 1992 that had an even more radical futuristic aerodynamic shaft drive tandem.

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Old 12-17-09, 03:54 PM   #24
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This is not Specialized Robert Egger's first concept tandem.
Yes, I recall that piece of wall-art as well.

Tandems have long been used as a technology demonstrator display by bicycle manufacturers because tandems truly are magnets for attention to both cyclists and non-cyclists alike.

I tend to like the one-offs that actually can be ridden hard, i.e., the very first Ventana full-suspension off-road tandem was created back in 1993. Quoting from own review written about 9 years ago, "...when Sherwood Gibson & Dave Tuner of Turner Suspension Bicycles built one for Interbike '93 to showcase their new Turner F/S bike's active rear suspension system. To quote Sherwood, "We definitely blew people's minds away with that bike!" Sherwood successfully campaigned that first F/S tandem through the next two years, racking up 23 1st place tandem class finishes out of 25 starts!"

The frame was refined a bit and became the Ventana El Conquistador de Montanas (King of the Mountains), perhaps the most prolific of the dual-suspension off-road tandems ever offered. Intense built a pair of very cool F/S tandems to showcase downhill racing components, like dual front discs several years back.

The Specialized bikes, on the other hand, are what they are... works of art designed to draw attention.
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Old 12-17-09, 04:25 PM   #25
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The Specialized bikes, on the other hand, are what they are... works of art designed to draw attention.
That being the case, I don't even have to ride it to tell you they met their design parameters! It's a beautiful tandem, TLO, or piece of wall-art, (to me, since beauty is indeed in the eye of the beholder).

Machines should, in fact, be functional, and form must follow function. But every now and then, it's nice to gaze upon what *might* be one day, even if today it has to be pushed out from behind the curtain onto the stage like the concept cars.
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BICYCLE - [bahy-si-kuhl] - Noun :> A medical device used to correct the common geriatric condition of OFS, (Old, Fat & Slow), in a manner that does not induce brain-decaying boredom like walking or running.

2005 Trek T2000 Tandem, 2003 Burley Tosa Tandem, Pacific Dualie beater tandem, and 6 singles including 2 fixies.

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