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  1. #1
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    Building 1 bike from 2, which parts to use?

    I have 2 bikes and I am just getting back into riding. I will be riding mostly off road trails, intermediate level at most. I am 5'9 and 195 lbs.

    The 1st bike is a Mongoose Rockadile - 100% Cromo Frame and Fork.
    - STX Front and Rear Derailer
    - STX Hubs
    - STX brakes
    - STX brake leavers and gear changers
    - Mongoose neck
    - Shimano Crank: just says FC-MC30


    2nd bike is a GT Avalanche 2.0 - Heat Treated Formed Alum
    - Fork is Rock Shox Judy TT
    - Formula Hubs
    - Rims X2000 made by Alex
    - Tektro brakes
    - Shimano V brake handles, shifter says CI Desk Plus
    - Acera Front Derailer
    - Alivio Rear Derailer
    - Crank has an "S" with a crown over it and MX3L
    - Neck says "handcrafted bicycles since 1972 southern california"


    I don't know much about the components on each bike, how would you recommend I assemble the two of them to take advantage of the "best" parts?

  2. #2
    ÖöÖöÖöÖöÖö Dannihilator's Avatar
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    I'd recommend just saving up for a new bike, you're only going to discover a bunch of headaches trying to peice those parts together.
    Quote Originally Posted by scrodzilla
    I'm going out on the town tonight and it won't be over until I snort a line of habanero seeds off the hood of a red Fiero.
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  3. #3
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    I don't want to buy a new bike right now, I want to tear these two down for the fun. I know they are not high end parts, but one has to be better than the other... If I starting going out often I probably will buy a new bike.

  4. #4
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    Quote Originally Posted by mgbiker View Post
    I have 2 bikes and I am just getting back into riding. I will be riding mostly off road trails, intermediate level at most. I am 5'9 and 195 lbs.

    The 1st bike is a Mongoose Rockadile - 100% Cromo Frame and Fork.
    - STX Front and Rear Derailer
    - STX Hubs
    - STX brakes
    - STX brake leavers and gear changers
    - Mongoose neck
    - Shimano Crank: just says FC-MC30


    2nd bike is a GT Avalanche 2.0 - Heat Treated Formed Alum
    - Fork is Rock Shox Judy TT
    - Formula Hubs
    - Rims X2000 made by Alex
    - Tektro brakes
    - Shimano V brake handles, shifter says CI Desk Plus
    - Acera Front Derailer
    - Alivio Rear Derailer
    - Crank has an "S" with a crown over it and MX3L
    - Neck says "handcrafted bicycles since 1972 southern california"


    I don't know much about the components on each bike, how would you recommend I assemble the two of them to take advantage of the "best" parts?
    I like steel so I'd stick with the steel frame. Although older I think you are probably better off with the STX stuff on that steel frame. If you prefer the aluminum and the front suspension move the STX stuff over. This is of course if you are just looking for a project. Otherwise I'd suggest riding it as it is. Even if others tell you it isn't worth it to move the parts around I still think it is. From a pure learning perspective that is. Become proficient working on your old bikes and when you buy a new one you will have a lot of knowledge and comfort level going into it. Feel free to post here for help if you run into a snag with your project. If you do stick with the steel frame and STX stuff, tear it down anyhow and grease/lub everything up. That will still give you the experience it seems you are looking for.

  5. #5
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    Thanks for the reply. If I stay with the mongoose, should I at least move the rock shox? The mongose has just a cromo fork.

    I was huge into BMX back in the day and could quickly tear down and build back a BMX bike, but I am looking to learn more about these bikes now. I picked up the GT for $16 the other day just so I could have one to tear down and then started to wonder what would be the best if I combined them.

  6. #6
    Non Tribuo Anus Rodentum and off to the next adventure (RIP) Stacey's Avatar
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    Depends... Will the fork fit? Are the steer tubes the same diameter and is it long enough to migrate? How about the headset, what kind of Pandora's box will you open there. Do you really want/need a suspension fork, or are you just buying into the hype?

    Answer these questions to find your answer.

  7. #7
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    Ok, I am learning already... I thought there would be a standard steer tube size. There has to be some standard... Are there just a few different sizes?

    I have some trouble with hand fatigue, I was hoping some dampening would help.

  8. #8
    Senior Member aballas's Avatar
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    Quote Originally Posted by mgbiker View Post
    Ok, I am learning already... I thought there would be a standard steer tube size. There has to be some standard... Are there just a few different sizes?

    I have some trouble with hand fatigue, I was hoping some dampening would help.
    the standards are 1" 1&1/8" OR 1.5" most older bikes are 1" ...1 & 1/8 is currently the standard...and cannondale as well as a few other brands have used 1.5"


    you also have to think about your headset....threaded or not?
    Road: 2001 Bianchi XL Boron
    Cross: 2009 Surly Cross Check
    XC Mtb: 2007 Bianchi Sok 29er
    SS/Rigid Mtb: 2008 Soma Juice 29er

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