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Old 03-06-11, 08:55 AM   #51
meanwhile
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For future reference you should realize that Trek inserts small spring dampers into the brake cable housing ends of some of its hybrid type bikes. The 7000 series all get these springs and some of the FX series get them also. This is probably a liability issue as far as Trek is concerned as these types of bikes are often purchased by neophytes. The end result is a somewhat mushy feel with decreased responsiveness and stopping performance. It has nothing to do with the pad/rim interaction per se. For increased brake performance one just has to remove the spring(s).
But why would this cause the brakes to work acceptably with one rim but not another? Even if there was a difference in rim width then brake adjustment should have coped with this. No, your explanation doesn't make sense of what was actually described, although it might explain general mushiness.

Also: you seem to think that the springs are there to reduce braking force. No, they're not nearly powerful enough for that. They're cable return springs, to help get the cable back into the neutral position when the brakes are released.

Last edited by meanwhile; 03-06-11 at 09:10 AM.
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Old 03-06-11, 09:10 PM   #52
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Also: you seem to think that the springs are there to reduce braking force. No, they're not nearly powerful enough for that.
Yes they are ..

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They're cable return springs, to help get the cable back into the neutral position when the brakes are released.
No they are not.
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Old 03-06-11, 09:50 PM   #53
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Power Modulator:



Yeah its a liability thing. Keeps noobs from endo-ing.
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Old 05-13-11, 01:02 AM   #54
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huh.......very interesting thing about this "power modulator", but is this the spring that Talldog is describing ?
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Old 05-13-11, 06:01 AM   #55
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Nice bike

I have recently purchased the same crank as you have although in double 53/39 version.
It's an older version now and so it was on sale
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Old 05-13-11, 06:13 AM   #56
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The moral of this story is don't spend thousands upgrading a bike that you might never ride again. Matt rode his FX a lot before the absurd upgrades. The fancy new parts didn't make this bike faster, they stopped it dead in it's tracks.
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Old 05-14-11, 03:22 PM   #57
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The moral of this story is don't spend thousands upgrading a bike that you might never ride again. Matt rode his FX a lot before the absurd upgrades. The fancy new parts didn't make this bike faster, they stopped it dead in it's tracks.
but he learned a lot.
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Old 05-18-11, 06:40 AM   #58
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I did a similar thing with my trek utopia I got a few months ago!
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Old 05-23-12, 02:04 PM   #59
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Absurdity of my own.

Hello. I just found this thread and thought I would one-up the OP with my own absurd flat bar road bike project (sorry). I took a Giant TCR C0 full carbon frame and built it up much the same way. It's a wicked ride, silky smooth and stiff. I went with a slightly heavier wheelset (Shimano RS30), as the roads around here can be brutal and I didn't want to be blowing spokes. I don't have a scale handy, but I will borrow one from my neighbor and check what it's coming in at.

I didn't go with the Shimano flatbar shifters (expensive!), but rather with MicroShift 3x10 triggers, which work great with the 105 components. The indexing matches very nicely.

I would say it's comparable with a Cannondale Carbon Quick, and in some ways much better. (Giant frames with the compact road design are great!)


Oh, and thanks a lot for this great forum, everyone. I used it extensively while researching and building this bike up.

http://i1211.photobucket.com/albums/...ar/Giant_A.jpg
http://i1211.photobucket.com/albums/...ar/Giant_B.jpg
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Old 05-23-12, 11:26 PM   #60
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...I would say it's comparable with a Cannondale Carbon Quick, and in some ways much better. (Giant frames with the compact road design are great!)
...
But but but, you are comparing a road bike to a hybrid. You have a nice bike, but maybe you should be comparing it to another road bike. Then the stakes are a little more even.

Here's my brother's ultegra fitted flat bar road bike, including dirty socks...compare away.



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Old 05-24-12, 01:52 AM   #61
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just out of curiosity why do you have your only water bottle cage on your seat instead of on your frame?? the downtube one is easier to reach isnt it??
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Old 05-24-12, 02:23 AM   #62
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just out of curiosity why do you have your only water bottle cage on your seat instead of on your frame?? the downtube one is easier to reach isnt it??
Are you asking me about my Cannondale Hybrid and Gary Fisher MTB? If so, I just like the look of the cage on the seat tube. I don't use it for a drink bottle though. I use it for my tool bottle. I don't use that unless I'm off my bike. I must admit though two weeks ago I did use a water bottle on my MTB for one ride but that was a one off and I only drank when we stopped.

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Old 05-24-12, 02:58 AM   #63
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so do you normally not hydrate while your riding??? thats bad. ok?
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Old 05-24-12, 07:13 AM   #64
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so do you normally not hydrate while your riding??? thats bad. ok?
Ahhh, I see the confusion. My hybrid is for city use only. I don't have a car but three bikes for various use. My commutes are many but short, and I can get a drink (and do) every time I meet a client.

If I go on a decent ride into the mountain areas I use my road bike which is equipped with two cages.
I use the seat tube for my tool bottle and the down tube for the water bottle. Interesting point is that my city sits on a huge basin of spring water, so I can get free spring water at many places around the city. We also have free mineral water in the mountains. This is why Kyoto was chosen back long ago as the capital of Japan. In fact the Palace has free spring water everywhere for the public.


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Old 05-27-12, 03:05 PM   #65
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Actually thats pretty awesome - the only absurd part is that .... you're not using it!
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Old 09-09-13, 01:04 PM   #66
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I'm having trouble understanding what you mean by spacing the rear hub to fit the frame?
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Old 09-09-13, 03:54 PM   #67
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If you're talking about the OP's bike(zombie thread alert!),his frame was probably MTB spaced 135mm,while the rear wheel's hub was probably road bike spaced 130.
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