Posted by: Brendan | May 19, 2008

Mmm toasty! Frieda comes to the party

Frieda, aka Longbow V2.0 was born yesterday.

She’s a hot little number. (320 degrees in the photo)

We based her on the first Longbow, with a few minor changes in geometry and tubing. Long story short, she’s light, tough, and ready to bring it. Features include full length cable housing, loads of mud clearance, good real estate for the frame bag (Carousel Design Works), 3+ h20 mounts, plus “another” cargo mount under the BB for a lower center of gravity.

Geometry is long & low, fit to be ridden from Mary bars, Fred bars, or Aero bars.

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Responses

  1. Interesting Brendan. So, help educate me here. What does the baking do for the frame after its been welded?

    Chris

  2. Hey Chris- that’s a post-weld age cycle. Welding anneals the aluminum & leaves it in a weaker state in the heat-affected-zone. Without being overly technical, the age cycle (10 hours of baking at 2 temps) brings it back to full strength.

  3. thanks Brendan. Looks like I’ve found another bike-related topic to do some reading on!!

  4. Here you go Chris- this is a quick read & actually pretty good:
    http://en.wikipedia.org/wiki/Precipitation_hardening

    Our bikes are 7005 tubed, or with some variants in the 7xxx series. Pretty cool stuff if you’re nerdy enough to get into it.

    Aluminum metallurgy is still pretty new, and advances are still coming. I’ve heard that the Wright Brothers were among the first to use age-hardened Al, in the crankcase.

  5. The other Chris says: All I know is that my welds are SEXY and after heat treating, my new SONG is ready to fly this weekend!!!

  6. East Chris (or City Chris?) that bike turned out really pretty. Unfortunately, I never so much as snapped a single photo of her before we shipped her off.

    Your cameraphone photos are appreciated… but we need more after your ride this weekend!

  7. […] endurance race bikes. Click through their blogs and you can get an inside look at the birth of Frieda, a bike designed for the sole purpose of getting Mary to finish line of a 2500 mile race. Or see […]


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