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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 05-04-05, 09:32 AM   #1
Big Dave
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New Parts Older Bike

Hello,
I am a newbie! I have an older Trek 400 road bike that was given to me. The frame is in excellent shape and the rest of the bike is not so bad besides needing some good tires. I want to know if I can change the derailer and or shifters with almost anything newer. It has a double front chainring and a six cassette on the back. Do I have to stay with basically the same set up or can I change most of the components. I plan on using the bike quite a bit, riding to and from work and maybe doinga few races in my area. Any guidance would greatly appriciated.
Thanks
Big Dave
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Old 05-04-05, 09:34 AM   #2
powers2b
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You will be able to swap parts with little or no problems.
Take a class or read some books on bike mechanics.
See Sheldon Brown's website for more info.

Enjoy
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Old 05-04-05, 09:42 AM   #3
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Quote:
Originally Posted by Big Dave
Hello,
I am a newbie! I have an older Trek 400 road bike that was given to me. The frame is in excellent shape and the rest of the bike is not so bad besides needing some good tires. I want to know if I can change the derailer and or shifters with almost anything newer. It has a double front chainring and a six cassette on the back. Do I have to stay with basically the same set up or can I change most of the components. I plan on using the bike quite a bit, riding to and from work and maybe doinga few races in my area. Any guidance would greatly appriciated.
Thanks
Big Dave
It all depends on how fat your wallet is or how special the bike is. The most expensive part of any bike is ... all the parts! Changing shifters and derailers is easy but you will also have to change the cassette and possibly the wheels (is a really a cassette or is it a freewheel?). I'd estimate, depending on level of components, that it will cost $250-350 for the shifters and derailers; since you'll have to change a freehub body, about $100 for the new cassette, and if you have to change the wheels, that will be another $150-400. By the time you are done, you might just have enough in the bike to simply buy a new one. Unless you just happen to have all the parts lying around, I'd suggest looking at new bikes and keep this one for a beater.
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Old 05-04-05, 09:50 AM   #4
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Quote:
Originally Posted by Big Dave
Hello,
I am a newbie! I have an older Trek 400 road bike that was given to me. The frame is in excellent shape and the rest of the bike is not so bad besides needing some good tires. I want to know if I can change the derailer and or shifters with almost anything newer. It has a double front chainring and a six cassette on the back. Do I have to stay with basically the same set up or can I change most of the components. I plan on using the bike quite a bit, riding to and from work and maybe doinga few races in my area. Any guidance would greatly appriciated.
Thanks
Big Dave
All it takes is money.Sometimes lots of it. If index shifting, changing one part means changing others. Stauing with friction is that is what you have makes life alot easier.Depending on where you intend to go with this a new or used bike with the right stuff on it is often the better choice,especially if you con't know what you are doing. Component issues can be a black hole and no one has written the difinitive book.I'd find something else to race and keep the Trek as a beater.....That's already been said by some one else.
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