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Old 09-19-23, 08:47 PM
  #1  
Desert Ryder
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Show Your Elevated Chainstay Bikes

Posting here in C&V since my thread had no traction in the MTB subforum.

Post up your elevated chainstay bikes.

Mine is a 1990 Ellison frame The Bike Beat Revolution. SunTour XC Pro equipped.



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Old 09-19-23, 11:21 PM
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Sweet bike and Camaro!

I like the article: " ... the bike wasn't built to be light, but to avoid aluminum bikes' bad history of breakage problems." Wow, decades of that.
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Old 09-20-23, 09:29 AM
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I feel that bike is begging for a 3 cog suntour rear derailleur. The design of that one followed the same path of ignoring what was the norm in search for a better way to handle a singular issue. In the case of the derailleur excessive chain slap.

It too failed to win the minds and souls of the public...
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Old 09-20-23, 11:06 AM
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Does this qualify? It does have the squishy part in the middle.

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Old 09-20-23, 11:18 AM
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Originally Posted by abdon
It too failed to win the minds and souls of the public...
I have heard that early elevated chainstay bikes had an issue with breakage, and that's why they were dropped. I have never seen a broken one or pictures of a broken one, so who knows?
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Old 09-20-23, 11:24 AM
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Originally Posted by unterhausen
I have heard that early elevated chainstay bikes had an issue with breakage, and that's why they were dropped. I have never seen a broken one or pictures of a broken one, so who knows?
Same-same with early aluminum and carbon tubing bonded to metal lugs. There may have been a handful of bikes that suffered from that early on and now all are suspect. I'm yet to see one fail this way. On the other hand I have seen cracked carbon and fatigued aluminum but that's not what people obsess about.
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Old 09-20-23, 03:16 PM
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Originally Posted by Chinghis
Sweet bike and Camaro!

I like the article: " ... the bike wasn't built to be light, but to avoid aluminum bikes' bad history of breakage problems." Wow, decades of that.
The bike being described had an aluminum frame. So the quote was only about aluminum frames built with excessively thin tubing.

Couldn't have been all that big a problem, anyway, because aluminum was well on its way to becoming the overwhelmingly dominant choice for high-performance off-road bike frames. And for road bike frames, too, of course; in fact, aluminum road bikes still substantially outsell both carbon and steel road bikes.
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Old 09-20-23, 03:24 PM
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Originally Posted by abdon
I feel that bike is begging for a 3 cog suntour rear derailleur. The design of that one followed the same path of ignoring what was the norm in search for a better way to handle a singular issue. In the case of the derailleur excessive chain slap.

It too failed to win the minds and souls of the public...
You mean the three-pulley Suntour XC. I vaguely recall that those didn't hold up well; rapid pulley wear, maybe? [Edit: see link below; I was remembering the first version: the Mountech.]

In any event, it was a friction-only derailleur, so it would have been gone soon anyway.

https://www.disraeligears.co.uk/site...ey_system.html

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Old 09-20-23, 07:47 PM
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Originally Posted by RCMoeur
Does this qualify? It does have the squishy part in the middle.

Technically. It does have an elevated chainstay but that part is actually a swingarm.
My KHS is like that also
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Old 09-20-23, 09:38 PM
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1990 Haro Impulse Comp. Really could use a shot of Deore in the driveline.

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Old 09-20-23, 09:47 PM
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Originally Posted by Desert Ryder
Technically. It does have an elevated chainstay but that part is actually a swingarm.
"Swing"arm? That would explain all the interesting credit card charges when it mysteriously disappears...
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Old 09-21-23, 12:05 AM
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Originally Posted by Trakhak
You mean the three-pulley Suntour XC. I vaguely recall that those didn't hold up well; rapid pulley wear, maybe? [Edit: see link below; I was remembering the first version: the Mountech.]

In any event, it was a friction-only derailleur, so it would have been gone soon anyway.

https://www.disraeligears.co.uk/site...ey_system.html
I always liked the Suntour 3-pulley rear derailleurs. This may be partly because they could swing some really big gear ranges, and partly because they look cool. I still have a couple of them cleaned up and put away for future projects.
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Old 09-21-23, 01:54 AM
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I bought a Zebrakenko just for the three-pulley LePree installed on it. The plan is to sell the LePree, then swap on some more common Suntour mech and flip the bike.
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Old 09-21-23, 10:40 AM
  #14  
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Here's my 91 Fisher Montare. showed up on Portland CL 4 years ago, grabbed it because of unusual frame + low price, so why not? Just needed Clean/Lube/Adjust plus new grips, co-op fenders & saddle shown here to become a favorite rider. Recently replaced both tires which had started cracking.

1991? Fisher Montare

Don

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Old 09-21-23, 11:38 AM
  #15  
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That reminds me: one of the reasons I'm not a fan of elevated chainstays is because... it makes kickstand mounting more complicated.

(now awaiting the onslaught of vituperative abuse for mentioning the "k" word...)
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