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1997 Haro Monocoque

#1 2012-06-24 12:03am

phusion X
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From: North of Deetroit!
Registered: 2010-01-03
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1997 Haro Monocoque

https://bmxmuseum.com//image/imag0017_copy3.jpg https://bmxmuseum.com//image/imag0018_copy3.jpg https://bmxmuseum.com//image/imag0019_copy0.jpg https://bmxmuseum.com//image/imag0020_copy0.jpg

1997 Haro Monocoque

1997 Haro monocoque. aluminium box frame, these bikes have a funny ding when you knock on them.

* Was one of the most expensive BMX frames when released in late-1996
* Voted the #1 frame in the world (Ultimate Bike contest) in 1997 by the readers of BMX Plus! magazine
* Made in the U.S.A. (San Luis Obispo, CA)
* Debuted on May 24, 1996 the 1996 ABA Spring Nationals in Santa Clara, CA (Day 1)
* Had a rather steep head tube angle that created a more responsive frame
* The “front triangle” was consisted from two aluminum shell-stampings that were welded lengthwise together
* Created a sleek look by routing the rear brake cable through the hollow monocoque front end - internal cable routing
* Featured a recessed area in the middle of the monocoque shell to add to the overall strength
* Required over 70 inches of welding to join the 1.2mm thick shells
* With the massive amount of money that was spent making the machinery used to stamp the front triangle shells, the frame was only available in one size, and it’s long
* Used an dramatically oversized seat tube - beefed up the frame's backbone and provided a wider cross-section for welding the front end
* Had a very stiff rear triangle that was made with square tubing and CNC machined "yokes" - a monostay bridge on the top (seat stay) and a bottom bracket box on the bottom (chain stay)
* Featured unique built-in chain tensioners that used an Allen bolt that was threaded through the front of the dropout to push the rear hub axle back - conventional chain tensioners pull the rear axle backward
* The tensioners also use a dropout-saver plate that is supported on the top and bottom of the dropout - there is virtually no way for the wheel to slip forward
* Used long-travel motocross style CNC machined dropouts - 1.8" of dropout travel
* Manufactured to Haro’s specs by Mountain Cycle - in a facility world-renowned for building the best monocoque-style bicycles available


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Moto Mistress of Michigan

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#2 2012-06-24 12:50am

JP_innovations
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From: Tweed Heads. NSW. Australia
Registered: 2007-07-29
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Re: 1997 Haro Monocoque

Regarding the short runs of weld and the start and stopping. This was done because if the did continues runs on the monocoque structure it would warp and deform so they had to weld sections and then move to another section and then come back.
I was Told by Robert, from Mountain cycle who made these frames for haro.

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#3 2013-05-04 10:36pm

hooligan4130
"She Loves My 24inches"
From: Blythe, CA
Registered: 2012-01-07
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Re: 1997 Haro Monocoque

i member when i got my 99 group 1 al complete, and just upgraded the 1pc crank to 3pc crank. yellow and all. my cousin built his monocoque way over priced and just the same quality


09 Haro pro 24 and 96 group1 ci 24 projects commenced
80s Norco custom  cruiser build.

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#4 2016-03-04 10:15pm

TommyHaro
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From: Perth, Australia
Registered: 2012-08-07
Posts: 176
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Re: 1997 Haro Monocoque

Hi mate, do you still have this frame?


Looking for SDG slim Jim, Ventura or kevlar seats.

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