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  1. #1
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    1988 GT Avalanche

    Thanks again to Mike...a different Mike on this one though. There was one of these listed on the bay a few weeks back and I missed the ending of the auction........AAAHHHGGG!
    Luckily enough I contacted the seller only to find out the one he had listed was one of two. R-E-L-I-E-F? you bet. Turns out there was a recent death that had made the first bike listed available and I was lucky to get the widows matching ride. 1988 GT Avalanche. Everything on the bike is original except the saddle. This bike has some interesting features. Component colors are unique as GT talked many of the component companies into doing special colors on most of the components. Suntour did the derailleur bodies and shift levers in White with Anthracite gray hubs, pedal bodies, derailleur pivots and clamps. Dia Compe did the AD992 u-brakes and 290 levers in matching Anthracite. SR did the GT Power Series crank and spider in white also. Tange did the Levin CD headset in anthracite.

    Frame: Tange Prestige 70/74 TIG welded by Toyo
    Fork: Spinner Round-Oval Round tapered blade with socket type forged ends
    Head Set: Tange Levin CD sealed mech 1"
    Stem: GT logo with internal roller
    Handlebar: SR MT aluminum alloy
    Grips: GT/Ame
    Brake Levers: DiaCompe 290
    Shift Levers: Suntour XCD-6000
    Crank: SR/GT Power Series cold forged w.48T round and 38/28T Oval Tech chainrings
    Pedals: Suntour XCD-6000 with custom painted body
    Bottom Bracket: Hatta Swan sealed mech
    Derailleurs: Suntour XC 9000 rear, 9010 front custom painted
    Freewheel: Suntour Winner Pro 13-30T 6 speed
    Chain: Suntour SP-6000 nickel
    Hubs: Suntour XC 9000 sealed bearing Anthracite gray
    Tires: Ritchey Force 2.0
    Spokes: 14g Stainless 4x
    Seat Post: Suntour XC 27.0 x 330mm
    Saddle: GT Pigskin

    Enjoy!
    Attached Thumbnails Attached Thumbnails 1988 GT Avalanche-pict1582.jpg  

    1988 GT Avalanche-pict1587.jpg  

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    1988 GT Avalanche-pict1596.jpg  

    1988 GT Avalanche-pict1601.jpg  

    Last edited by gm1230126; 06-14-2010 at 06:42 PM.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  2. #2
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    A few more including the original catalog pages.
    Attached Thumbnails Attached Thumbnails 1988 GT Avalanche-pict1602.jpg  

    1988 GT Avalanche-pict1600.jpg  

    1988 GT Avalanche-pict1591.jpg  

    1988 GT Avalanche-gt-1988-us-04.jpg  

    1988 GT Avalanche-gt-1988-us-05.jpg  

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

  3. #3
    illuminaughty
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    wow, very cool. Those Anthracite bits are dynamite. How many were built in that combo?

  4. #4
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    Oh man! I am jealous of that one! Beautiful!

  5. #5
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    All I know of for sure is what was produced for this model. There may have been other companies doing similar things that year. The Avalanche was GT's top of the line model in 88, I guess they wanted to do something extra for it.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  6. #6
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    I really like this one... I need a 80s GT.

  7. #7
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    Quote Originally Posted by Linoleum
    I really like this one... I need a 80s GT.

    Maybe be hard for you to believe but if you're waiting for a nice 80's high end GT I'd say they're harder to come by than a lot of other makes. Got this one and the 89 I posted last month and it's taken me three years to find some this nice/clean. There's been others listed for sale but ridden hard. Of coarse there's a a fair number of late 80's Karakoram's and Tequesta's floating around but there were thousands more of them sold.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  8. #8
    bonked
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    That was my first mtn bike. I loved it back then, but I bet I would be miserable on it now.
    Quote Originally Posted by banks
    That is one big f'n dude!
    Yes I am!

  9. #9
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    My uncle has one hanging in his garage, too small for me, too big for my 9 year old. It is pretty beat.
    WTB: Bontrager Comp Fork & Syncros metal top cap

  10. #10
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    gm1230126, you say " Everything on the bike is original except the saddle". I have a 1986 Avalanche that looks exactly like that with the same seat as yours. It doesn't have the rivets like the one in the advertisement. I bought it new in early '87 and still have it.

  11. #11
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    Quote Originally Posted by Desert Fabrications
    gm1230126, you say " Everything on the bike is original except the saddle". I have a 1986 Avalanche that looks exactly like that with the same seat as yours. It doesn't have the rivets like the one in the advertisement. I bought it new in early '87 and still have it.
    You sure yours isn't a Team Avalanche in the same color with blue and black decals?
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  12. #12
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    Here are some pictures I took today. It's not a '86 like I said, it's a '87.
    Thank You, Bob
    Attached Thumbnails Attached Thumbnails 1988 GT Avalanche-p5010002.jpg  

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    1988 GT Avalanche-p5010017.jpg  

    1988 GT Avalanche-p5010018.jpg  

    1988 GT Avalanche-p5010020.jpg  

    1988 GT Avalanche-p5010023.jpg  

    1988 GT Avalanche-p5010031.jpg  


  13. #13
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    Quote Originally Posted by Desert Fabrications
    Here are some pictures I took today. It's not a '86 like I said, it's a '87.
    Thank You, Bob
    Find that odd because it's in this catalog that's clearly marked on the cover as 1988
    Attached Thumbnails Attached Thumbnails 1988 GT Avalanche-gt-1988-us-01.2.jpg  

    1988 GT Avalanche-gt-1988-us-05.jpg  

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

  14. #14
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    I know I bought it in '87, late '87. I must be assuming it's a '87 and not an '88. I thought when I bought it it was a '86 they still had for sale that nobody wanted because it was so expensive, $600 at the time. Here are some picts with part #'s and a date on the hand leaver. Was that color combo not available in '87? I am not expert, I just bought it because I thought it was cool looking but rode it very little. The tires are the ones that came with it, I think my daughter rode it last judging by how low the seat is. Thanks.
    Attached Thumbnails Attached Thumbnails 1988 GT Avalanche-p5010015.jpg  

    1988 GT Avalanche-p5010025.jpg  


  15. #15
    Neo-Retro Forever
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    Those XCD Parts only came out in 88, as did the Triple Triangle Design.

    You may need to change the batteries in your memory banks!

  16. #16
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    that avalanche is awesome!
    id love to find an 88 avalanche, so if anyone has one for cheap please let me know! lol

  17. #17
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    Desert, very nice ride you have there; it looks CLEAN! If it's taking up space in your garage, I'll take it off your hands
    -Kevin

    Wanted: 102bcd 4 bolt (M960) SS chainring in 32t or 34t variety

  18. #18
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    Hi there,

    Was looking for information on my dad's old Avalanche GT and came accross this forum. I believe it is a 1988 GT All Terra. I'm looking to sell it if anyone is interested. I will post some pics.

    My dad gave it to me a few years back and since then I had Wheel Away Cycle update the seat, tires, grips, breaks and shifter. I also added an electric odometer (needs a new battery). I probably put under 50 miles on the bike since then. I took it for a ride the other day and the breaks make a little noise but it may just need some a minor adjustment. I am not a bike mechanic by any means. There are a few scratches and a ding or two but again this is a 23 year old bike. It is a solid bike and would be perfect for someone looking for an older, perhaps nostalgic Avalache GT.
    Attached Thumbnails Attached Thumbnails 1988 GT Avalanche-dsc_0416.jpg  

    1988 GT Avalanche-dsc_0417.jpg  

    1988 GT Avalanche-dsc_0425.jpg  

    1988 GT Avalanche-dsc_0426.jpg  

    1988 GT Avalanche-dsc_0419.jpg  


  19. #19
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    Show bike for sure. You should expect to fetch a bundle! Your updates are the things I enjoy the most.

  20. #20
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    Those power series cranks are cool.

  21. #21
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    Quote Originally Posted by avalancheGT1988
    Hi there,

    Was looking for information on my dad's old Avalanche GT and came accross this forum. I believe it is a 1988 GT All Terra. I'm looking to sell it if anyone is interested. I will post some pics.

    My dad gave it to me a few years back and since then I had Wheel Away Cycle update the seat, tires, grips, breaks and shifter. I also added an electric odometer (needs a new battery). I probably put under 50 miles on the bike since then. I took it for a ride the other day and the breaks make a little noise but it may just need some a minor adjustment. I am not a bike mechanic by any means. There are a few scratches and a ding or two but again this is a 23 year old bike. It is a solid bike and would be perfect for someone looking for an older, perhaps nostalgic Avalache GT.
    That bike shop really put on some horrible components. That said, its a nice frame/fork combo. I wouldn't expect more than $100 for it.

  22. #22
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    Quote Originally Posted by Linoleum
    That bike shop really put on some horrible components. That said, its a nice frame/fork combo. I wouldn't expect more than $100 for it.
    Thanks for the heads up, yeah I didn't think it was worth much more than that.

  23. #23
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    Quote Originally Posted by avalancheGT1988
    Thanks for the heads up, yeah I didn't think it was worth much more than that.
    It's also a 1990 .

  24. #24
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    Quote Originally Posted by girlonbike
    Show bike for sure. You should expect to fetch a bundle! Your updates are the things I enjoy the most.
    Sometimes sarcasm is funny, sometimes not.

  25. #25
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    Quote Originally Posted by Pimpride
    Those power series cranks are cool.
    I had a 1988 GT Avalanche. It was a larger size and came with 180mm Power Series cranks. They were polished instead of white. The Suntour components were white. It also came with a seat tube mounted brake cable guide
    Attached Images Attached Images
    Ripping trails and tipping ales

  26. #26
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    Quote Originally Posted by Fred Smedley
    It's also a 1990 .
    How can you tell?

    Update... just sold it locally for $100 to someone who wants to bring it back to life. He said I raped it. Hopefully it will get the TLC it needs.

  27. #27
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    Quote Originally Posted by avalancheGT1988
    How can you tell?

    Update... just sold it locally for $100 to someone who wants to bring it back to life. He said I raped it. Hopefully it will get the TLC it needs.
    I own the same bike.

  28. #28
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    Quote Originally Posted by Fred Smedley
    Sometimes sarcasm is funny, sometimes not.
    nooooooo. I meant it. Who do you think bought it Fred?

  29. #29
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    Mine is exactly the same
    #T8021
    What serial no are yours?

    oldschoolracing

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  30. #30
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    found at a thrift store this week in AZ

    Hello all,

    I found this forum after I looked up this bike--

    1988 GT All Terra Avalanche

    I found it at a second hand shop in Rimrock, AZ. It was hardly ridden, all original, custom Dia-Compe anthracite and white Suntour XC components. Original seat, pedals and toe clips. Hand made in Japan, original gold Araya japanese wheels. What a bike. I wanted to share some pics of it. I'm embarrassed I haven't cleaned it up yet so please excuse the dirt. Hope you like it.

    Serial # 07K00117

    Mfg imprint on crank: 175SRJAPAN87K

    I dont know why the converted pics look like such crap. It might be hard to tell but this bike is in incredible shape. If anyone wants more pics Id be happy to post!

    Or if anyone's interested in a trade! Lmk.
    Attached Thumbnails Attached Thumbnails 1988 GT Avalanche-img_20180527_101421.jpg  

    1988 GT Avalanche-img_20180529_175717.jpg  

    1988 GT Avalanche-img_20180529_175540.jpg  

    1988 GT Avalanche-img_20180529_175738.jpg  

    1988 GT Avalanche-img_20180529_175659.jpg  

    1988 GT Avalanche-img_20180529_175603.jpg  

    1988 GT Avalanche-img_20180529_175633.jpg  

    1988 GT Avalanche-img_20180529_175826.jpg  

    1988 GT Avalanche-img_20180529_175752.jpg  

    1988 GT Avalanche-img_20180529_180431.jpg  

    Last edited by durrant; 05-29-2018 at 08:51 PM.

  31. #31
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    Quote Originally Posted by Fred Smedley View Post
    It's also a 1990 .
    Yup. 1990's were Snowstorm colored.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  32. #32
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    Quote Originally Posted by avalancheGT1988 View Post
    Hi there,

    Was looking for information on my dad's old Avalanche GT and came accross this forum. I believe it is a 1988 GT All Terra. I'm looking to sell it if anyone is interested. I will post some pics.

    My dad gave it to me a few years back and since then I had Wheel Away Cycle update the seat, tires, grips, breaks and shifter. I also added an electric odometer (needs a new battery). I probably put under 50 miles on the bike since then. I took it for a ride the other day and the breaks make a little noise but it may just need some a minor adjustment. I am not a bike mechanic by any means. There are a few scratches and a ding or two but again this is a 23 year old bike. It is a solid bike and would be perfect for someone looking for an older, perhaps nostalgic Avalache GT.
    That's an 89 in the Snowstorm color.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

  33. #33
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    Quote Originally Posted by durrant View Post
    Hello all,

    I found this forum after I looked up this bike--

    1988 GT All Terra Avalanche

    I found it at a second hand shop in Rimrock, AZ. It was hardly ridden, all original, custom Dia-Compe anthracite and white Suntour XC components. Original seat, pedals and toe clips. Hand made in Japan, original gold Araya japanese wheels. What a bike. I wanted to share some pics of it. I'm embarrassed I haven't cleaned it up yet so please excuse the dirt. Hope you like it.

    Serial # 07K00117

    Mfg imprint on crank: 175SRJAPAN87K

    I dont know why the converted pics look like such crap. It might be hard to tell but this bike is in incredible shape. If anyone wants more pics Id be happy to post!

    Or if anyone's interested in a trade! Lmk.
    Probably produced late in 1987, first production run of the 88 model year. They need to get some of them built before the model year begins. Back then they usually started the next years model production in September of the proceeding year.
    Needed: 26.8mm XTR seatpost, blue GT/Grundig Jersey.

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