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  1. #1
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    GT Frame Build-Up - 1991 Cyclone Made in the USA

    The story for this build goes back about 6 months when a poor listing showed up on a Wednesday night on eBay. The pictures were taken from a distance and the frame wasn't well described. By the look of the 2x4 fork I realized right away that it had to a Cyclone frame because of the color. It was listed as US only. I missed the auction ending and probably would have gone much higher to get it. After the auction ended I contacted the seller who informed me that the winner was from China and he would not ship abroad. He let me have it for the high bid,,,,YES!

    So to start the build lets take one NOS period correct Deore XT threaded headset and press these cups into the head tube. This headset had 1/4" ball bearing in the bottom half and these were tough. I also ran one of these in my 1990 Team Avalanche back in the day.
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0293.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0223.jpg  

    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  2. #2
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    Let's move on and get a fork installed. GT 2x4 chromoly fillet brazed. The dropouts have the four grooved positions for adjustable rake and adjustment screws for setting the position you prefer
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0346.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0231.jpg  

    Last edited by gm1230126; 01-16-2012 at 11:14 PM.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  3. #3
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    On to the BB and Crank Set. GT Ti BB with a New-Old-Stock Profile built CNC GT Alloy crank arm set with 46/36/26T Shimano SG-X chainrings.
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0341.jpg  

    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  4. #4
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    Next to install a GT Flip Flop II chromoly stem and GT alloy handlebar
    Attached Images Attached Images  
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  5. #5
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    Deciding what to do with shifters was tough....7 speed top mount or7 speed rapidfire which was also out in 1991. Decided to go with a lightly used pair of 7 speed top mounts with new clamps. The brake levers were tough also and I decided to stay with XT and pretty much use the whole group since I started with the headset. I chose to polish the lever portion of the brake lever because I never could stand either the 2-finger or 4-finger XT levers that were all black.
    Attached Images Attached Images  
    Last edited by gm1230126; 01-18-2012 at 10:39 PM.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  6. #6
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    For grips there really was only one choice. NOS original GT / A'me anatomical grips
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-pict1289.jpg  

    Attached Images Attached Images  
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  7. #7
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    I had to debate a bit on the seat post but in staying period correct I decided to go with the Tioga Prestige chromoly post with alloy top. Was able to pick one up NIB for $15.
    Attached Images Attached Images  
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  8. #8
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    Brakes were easy, XT of coarse with a black M734 canti in the front and a NOS XT U-brake in the rear. Brake laced up with NOS XT SLR brake wires with 2.0mm 7x7 strand innerwires
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0294.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0290.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-p1000990.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0376.jpg  

    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  9. #9
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    I built wheels with black XT 7 speed hubs and NOS Araya RM-17 32 hole rims. Wrapped the hoops with Panaracer Smoke 1.9 rear and Dart 2.1 in the front just like the old days.
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0373.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-p1000956.jpg  

    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  10. #10
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    Derailleurs on this ride are obviously Deore XT 7 speed. NOS in the front and lightly used in the rear. CS-HG90 12/28 cassette and a CN-HG91 XT chain.
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0340.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0364.jpg  

    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  11. #11
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    GT regal style saddle
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-p1000950.jpg  

    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  12. #12
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    A few completed pics
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0370.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0372.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0386.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0399.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-p1000989.jpg  

    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  13. #13
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    Thanks for checking out the build. I've been lucky enough to grab two of these NOS 91 Cyclones and there weren't that many of them made so consider myself very lucky
    Attached Thumbnails Attached Thumbnails GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0369.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-img_8281.jpg  

    GT Frame Build-Up - 1991 Cyclone Made in the USA-gedc0365.jpg  

    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  14. #14
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    Lucky you indeed. 16? 14.5'?

  15. #15
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    Beautiful bike and great build up!
    Last edited by marpilli; 01-17-2012 at 11:16 AM.
    Contact information: http://about.me/marpilli

  16. #16
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    Very cool! I love reading bike buildup threads, especially when loads of pictures are posted.

  17. #17
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    Nice!

    You have way too many cool bikes, btw.

  18. #18
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    This yellow one's a 16" and thanks. The first was an 18".
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  19. #19
    REALLY?
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    Not even gonna say anything...you already know.
    DJ, "Because I'm sure the world need's more dudes stalking the woods stoned out of their mind carrying a deadly weapon."

  20. #20
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    Quote Originally Posted by jeffgothro View Post
    Not even gonna say anything...you already know.
    Know what?
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  21. #21
    THE CAPTAIN
    Reputation: FormulaRX's Avatar
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    Awesome!!!!
    2000 GT i-2K...the original i-drive

  22. #22
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    So 2x4 came first, then 3D? Or 2x4 being a US made higher value fork? Not that I can tell any differences in any of the positions on my 3D... Perhaps I'm just too spoiled with my 80mm air forks, but it feels a bit too twitchy in any positions.

    How is the yellow paint holding up? Yellow on my Taiwan Bravado is rather weak especially around edges (you can almost see the base coat). Paint any better?

    Let me know if you want me to test ride it for an extended period of time

  23. #23
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    Absolutely f'ing MAGIC.....thank you GM1230126....just loved all the NOS parts. Impressive on the GT OEM parts as well....they must have been a tough hunt.

  24. #24
    Rubber Side Usually Down
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    That looks great, nice one I wish I could get hold of a set of 3D forks too.
    ----------------------------------------------------
    'Geez, I wish I had a witty signature'

  25. #25
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    Quote Originally Posted by Mr Crudley View Post
    I wish I could get hold of a set of 3D forks too.
    They are tough to come by as they were only made a couple years. Tougher yet a 2x4.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

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