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  1. #1
    the actual el guapo atomship47's Avatar
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    my build: pro's and con's of pirating parts off current bike

    i should have asked this before i started ordering parts. here's the sitch;

    my current bike is a cf felt z25 frame with 105 components.

    i have a steel soma smoothie es road frame that i'm going to build up. this will be my rough-road/weather bike. so far, i've purchased a cf fork, rival brifters and a terry falcon saddle. for xmas, i received some cycling gift cards...so i'm ready to start buying more components.

    since i'm building a "weather" bike, i'm considering upgrading my existing bike and using the replaced 105-level parts on my build.

    what are the pro's and con's of doing this?

    i would like to have a sram brifter/dr bike just so i can have something different than i'm used to. i don't know if i should keep my z25 as a shimano set-up or convert it to sram and move the shimano parts to my new build.

    any comments, experiences, suggestions would be greatly appreciated!
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  2. #2
    Senior Member Retro Grouch's Avatar
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    Traditionally one puts the used parts on the bad weather bike and the new stuff on the "good" bike.

    Once you get into swapping parts back and forth it tends to become a hobby all it's own. I say just do whatever seems cool to you at the time. You can always swap stuff back if you don't like it.

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    If the current Shimano parts are in good shape and you really want to try SRAM components, I'd transfer the Shimano stuff to the "beater" and redo the Felt with the SRAM parts. Might as well have the new components on the better frame.

    I've upgraded a couple of bikes doing just what you are proposing by installing the new items on the better bike and using the older but still good components on an older frame.

  4. #4
    the actual el guapo atomship47's Avatar
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    thanks for the feedback. i'm shopping online right now.....and noticed another "con"....knowing i'm shopping for my z25, my standards just went up!
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    Your exact opposite is the Televangelist.

    Other personalities you would probably get along with are the Capitalist Pig, the Smartass, and the Sociopath.

  5. #5
    cs1
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    Quote Originally Posted by atomship47 View Post
    thanks for the feedback. i'm shopping online right now.....and noticed another "con"....knowing i'm shopping for my z25, my standards just went up!
    So, you're going to dump the Shimano and SRAM for Campy. Actually, that's a good thing. Good luck on the build.


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  6. #6
    Senior Member Deanster04's Avatar
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    If you are going to use the 105 parts on the beater bike take the time to service the parts: clean and repack the bearings and hubs. If you don't have the tools have the LBS perform the service. It will be worth the expense. When I build wheels with older parts for friends I usually take the time to go through the components. I find that the replaceable components are usually cheap and make the component operate like new.

  7. #7
    Mad bike riding scientist cyccommute's Avatar
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    Quote Originally Posted by atomship47 View Post
    i should have asked this before i started ordering parts. here's the sitch;

    my current bike is a cf felt z25 frame with 105 components.

    i have a steel soma smoothie es road frame that i'm going to build up. this will be my rough-road/weather bike. so far, i've purchased a cf fork, rival brifters and a terry falcon saddle. for xmas, i received some cycling gift cards...so i'm ready to start buying more components.

    since i'm building a "weather" bike, i'm considering upgrading my existing bike and using the replaced 105-level parts on my build.

    what are the pro's and con's of doing this?

    i would like to have a sram brifter/dr bike just so i can have something different than i'm used to. i don't know if i should keep my z25 as a shimano set-up or convert it to sram and move the shimano parts to my new build.

    any comments, experiences, suggestions would be greatly appreciated!

    There are seldom any problems with doing this. There are a couple of things that can be the wrong size however. The most common is seatpost size. Seatposts don't vary as much as they used to but occasionally you run across something funky. A seatpost isn't that expensive...especially for a foul weather bike...so it's not usually a big deal. Another part that may not fit from frame to frame...especially from an Al frame to a steel one...is the front derailer. The aluminum frames often use larger diameter seat tubes (which is why the seatpost will be different sized too) so you might need a shim or a new derailer.

    Everything else should be a straight swap. Do get new cables and housing so that your starting out right with shifting and braking. Get new tape for the bars so that the bike feels better about itself. And, depending on the mileage on the old chain and cassette, get new ones of those too.

    On the Felt, expect to spend a bucket load of money on the new parts. There are some deals out there (GVH comes to mind) and you might be able to find deals on Fleabay but as a rule, expect to spend more on the new parts than for a whole new bike. This is a fun thing to do but it ain't cheap!
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