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Old 01-22-07, 10:31 AM   #1
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Tiagra <-- Weight, "Smooth" aside, AS GOOD as 105?

Throw WEIGHT and SMOOTH SHIFTING out the window. Is Tiagra as DURABLE and WELL MADE as 105?
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Old 01-22-07, 10:51 AM   #2
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As good? No
Good enough? Probably
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Old 01-22-07, 10:56 AM   #3
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In a double-blind test, is Tiagra likely to wear out quicker than 105? I'd be surprised if you could tell a difference, honestly.
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Old 01-22-07, 12:40 PM   #4
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I have a 9sp Tiagra and an 9sp 105...the Tiagra has thumb shifters (flatbar roadie) I haven't noticed a bit of difference between how well the two function. No play or slop in either of them and they get about equal use...which isn't insignificant btw. There is NO REASON why the Tiagra should wear out first given the same routine maint.
In my experience, bike components last a lot longer than we want them too anyways. Replacing some inferior BROKEN component is just maintenance and very easy to justify. Upgrading causes a lot of anguish for most of us.
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Old 01-22-07, 01:10 PM   #5
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I wonder how this applies to Tiagra road brakes too.
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Old 01-22-07, 01:12 PM   #6
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Quote:
Originally Posted by Al1943
As good? No
Good enough? Probably
I don't know about that. I have a Tiagra front derailer on my touring bike that handles the triple better than an Ultegra on my commuter bike. I haven't checked dimensions but the Tiagra seems to be a bit wider and longer...or at least has less problem with chain rub and set up ...then the Ultegra. The Ultegra does the job but it's just pickier.
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Old 01-22-07, 06:12 PM   #7
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My Tiagra rear derailler has finally worn out after almost five years and about 15,000 miles. The pivots in the parallelogram have enlarged slightly causing sloppy shifting. Prior to that, the derailler worked flawlessly and almost never needed adjusting.
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Old 01-23-07, 04:02 AM   #8
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Originally Posted by Al1943
As good? No
Good enough? Probably
I am willing to bet that 2 bikes identically equipped except derailleurs, you couldn't tell the difference.

Tim
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Old 01-23-07, 05:34 AM   #9
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I am riding a Tiagra equipped road bike with about 7000 trouble free miles. I would bet that the differences between 105 and Tiagra would be very slight.
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Old 01-23-07, 07:52 AM   #10
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Quote:
Originally Posted by cyccommute
I don't know about that. I have a Tiagra front derailer on my touring bike that handles the triple better than an Ultegra on my commuter bike. I haven't checked dimensions but the Tiagra seems to be a bit wider and longer...or at least has less problem with chain rub and set up ...then the Ultegra. The Ultegra does the job but it's just pickier.
Funny thing...I found the Ultegra FD on my road bike was also "touchy" compared to the Tiagra FD I have on my Commuter too. Tiagra is great stuff.
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Old 01-23-07, 12:02 PM   #11
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Completely off-topic, front shifting on my flatbar roadbike thingy greatly improved when I switched from the stock shimano flatbar FD (not sure if that was supposed to be 'equivalent' to any of their racing line, but the bike came w/ 105 RD) to a tiagra FD.
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Old 01-23-07, 01:42 PM   #12
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Last year I set up a friend's bike with 9-spd. Tiagra triple with flat bar thumb shifters. The rear shifing action was fine and seems to be holding up well. Setting up the triple in the front was a bit touchy but worked well once dialed-in. Weight is reasonable for the category.

IIRC, Cycling Plus (UK mag) did a brake test and found the Tiagra road calipers to be a 'Best Buy', with great performance for the money.
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Old 01-23-07, 06:14 PM   #13
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Quote:
Originally Posted by cyccommute
I don't know about that. I have a Tiagra front derailer on my touring bike that handles the triple better than an Ultegra on my commuter bike. I haven't checked dimensions but the Tiagra seems to be a bit wider and longer...or at least has less problem with chain rub and set up ...then the Ultegra. The Ultegra does the job but it's just pickier.
Somewhat unrelated- I have had much better results with chain rub and set up using a Acera FR instead of an XT on a MTB of mine. I'm sure the XT weighs less, but the Acera is totally trouble free and the XT is a serious pain.
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Old 01-23-07, 08:39 PM   #14
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Yes.

Also, a front derailler is just a paddle that pushes the chain. Doesn't matter if it says dura-ace or sora on it...
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Old 01-23-07, 11:06 PM   #15
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Quote:
Originally Posted by probable556
Somewhat unrelated- I have had much better results with chain rub and set up using a Acera FR instead of an XT on a MTB of mine. I'm sure the XT weighs less, but the Acera is totally trouble free and the XT is a serious pain.
I changed an XT to an XTR and had no end of trouble with it. If you look at the plates of the higher end road or mountain bike, they have been highly manipulated. Maybe too much.
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Old 01-24-07, 01:46 AM   #16
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>>In my experience, bike components last a lot longer than we want them too anyways.<<

ain't that the truth !

ed rader
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