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Old 01-21-14, 03:30 PM   #1
Hoshnasi
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Installing a 105 groupset on 2006 Trek 1000?

Assuming I have the cup tool for the bottom bracket will this groupset fit my old Trek?

Feel free to say I am shining a turd, but I feel I've limped the parts alone replacing this and that and would rather just get a groupset that is going to last a long time.

I won't buy another new bike with pieced together junk and Sora parts.

Thank you for the input!
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Old 01-21-14, 03:37 PM   #2
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Sure, but a Tiagra group would also work.
The number of cogs (speeds) on the cassette needs to match the shifters.
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Old 01-21-14, 03:44 PM   #3
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The 105 group will work fine on your frame and is a good choice if the frame and fork are in good condition. BTW, 2006 isn't "old". My newest bike is from 2006!
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Old 01-21-14, 03:51 PM   #4
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BTW, 2006 isn't "old". My newest bike is from 2006!
And mine is a 2004.
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Old 01-21-14, 04:06 PM   #5
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The 105 group will work fine on your frame and is a good choice if the frame and fork are in good condition. BTW, 2006 isn't "old". My newest bike is from 2006!
Great news! The frame and even better the CF fork are in great shape. It has roughly 3k miles on it, almost all on the MUP here that follows the LA river out to the Pacific ocean.
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Old 01-21-14, 04:42 PM   #6
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Sure, but a Tiagra group would also work.
Out of curiosity, I thought the 105 was kind of the highest in reliability (for Shimano) and then Ultegra is about the same with less weight, Dura Ace being lighter than the rest.

Any reason I should think about the Tiagra?

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The number of cogs (speeds) on the cassette needs to match the shifters.
I'm going to buy a complete set, do I need to worry about matching the indexing then?
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Old 01-21-14, 05:20 PM   #7
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Out of curiosity, I thought the 105 was kind of the highest in reliability (for Shimano) and then Ultegra is about the same with less weight, Dura Ace being lighter than the rest.

Any reason I should think about the Tiagra?



I'm going to buy a complete set, do I need to worry about matching the indexing then?
I don't think you can define the differences in groups in terms that simple. I will agree that the 105 group is good enough for anyone not racing as a professional. I can also say that I've ridden some rental bikes with Tiagra that I thought were good enough. To me it's more about what you are willing to pay for. In my experience Dura-Ace shifts smoother than Ultegra. But the differences in group levels has changed some through the years and I have not ridden the newest versions.

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Old 01-21-14, 05:30 PM   #8
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...

Are you planning to buy 10-speed 105? If so will it be the newer 5700 or older 5500, there are significant differences. Newer 105 shifters are double or triple specific, older 105 shifters are double/triple compatible. I don't know if the group you intend to buy includes the cassette and shifters. If so I would expect them to be compatible.
Yes, I'll be going for the ten speed I believe. If the 5700 is much more than the 5500 than I'll take the cheaper option if there is no large difference.

I'll also be buying the groupset together, shifters, cassette, etc. included. There should be a link in my first post that goes to an eBay auction, so like that.

Thank you for all the help!
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Old 01-21-14, 07:59 PM   #9
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IAre you planning to buy 10-speed 105? If so will it be the newer 5700 or older 5500, there are significant differences. Newer 105 shifters are double or triple specific, older 105 shifters are double/triple compatible. I don't know if the group you intend to buy includes the cassette and shifters. If so I would expect them to be compatible.
That's not quite accurate. The 5500- series 105 components were 9-speed and indeed were both double and triple compatible. The first 105 10-speed was the 5600-series and the newest is 5700 and were/are double or triple specific and you have to specify which. The main difference between 5600 and 5700 is the 5700 brifters hide the cables under the bar tape.
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Old 01-21-14, 08:07 PM   #10
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As far as quality goes. I liked first generation Tiagra as much as 105 5500. 5500 was a bit smoother and lighter action. 4400 felt more positive, quick and snappy. The new Sora 3400 is supposedly not that bad either.
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Old 01-21-14, 08:23 PM   #11
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I've used 9 speed 105 and never got the hang of it. But I was coming from Chorus 10, so maybe it was an unfair comparison. I also recently used 10sp Ultegra, the latest variety, and had some of the same issues as the 9sp 105. I'm just used to Campy and that's that.

All that said, go for it, it'll be a good fit. And go for 10 speed. There's much more available for that. 9 speed is getting pretty old. And a question, what does the bike have on it now?
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Old 01-21-14, 09:57 PM   #12
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That's not quite accurate. The 5500- series 105 components were 9-speed and indeed were both double and triple compatible. The first 105 10-speed was the 5600-series and the newest is 5700 and were/are double or triple specific and you have to specify which. The main difference between 5600 and 5700 is the 5700 brifters hide the cables under the bar tape.
Yes, thanks for the correction. The older I get the faster things change.
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Old 01-22-14, 09:25 AM   #13
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The older I get the faster things change.
And the more expensive they get too.
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Old 01-22-14, 03:01 PM   #14
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... And a question, what does the bike have on it now?
I put the link the bike in the OP. But here it is again.

It's a miss-mass of alot of parts. Tiagra rear derailer, bontrager crank and sprocket, Sora brifters. It's feels kind of sloppy to shift no mater what I did and if I wasn't careful on the shifting I feel like I was crushing something either the chain or teeth of sprocket.
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Old 01-22-14, 03:14 PM   #15
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About the only item that may be an issue is the FD. The clamp size needs to match your frame. Other than that, it's an easy swap. Then you can start saving to upgrade the wheelset.
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Old 01-22-14, 03:47 PM   #16
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About the only item that may be an issue is the FD. The clamp size needs to match your frame. Other than that, it's an easy swap. Then you can start saving to upgrade the wheelset.
Ah! Ok my initial concern was the BB, but I'll keep an eye on the FD clamp size. Thank you!
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Old 01-22-14, 09:27 PM   #17
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105 5700 group is great stuff. Very accurate and very little trouble, if any.
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Old 01-23-14, 01:42 AM   #18
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If you haven't already made the purchase, and you can wait a week or so for delivery, you can save around $100 here: http://www.merlincycles.com/shimano-...ale-66608.html
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Old 01-23-14, 03:15 PM   #19
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If you haven't already made the purchase, and you can wait a week or so for delivery, you can save around $100 here: http://www.merlincycles.com/shimano-...ale-66608.html
Thanks! I'm going to bookmark this!
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Old 01-23-14, 03:17 PM   #20
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OH, I forgot to ask about the hubs? Do I need to rebuild my wheels with the 105 hubs? Or will the cassette fit on my Trek 1000?
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Old 01-23-14, 03:22 PM   #21
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Shimano 8/9/10 all use the same freehub body except some 10 speed Dura Ace which has a special freehub body.
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Old 01-23-14, 03:25 PM   #22
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Shimano 8/9/10 all use the same freehub body except some 10 speed Dura Ace which has a special freehub body.
It looks like the hub is relatively no-name, with an SRAM 850 12-26, 8 speed cassette.

While I would eventually build up a wheelset on the 105 hubs, I won't have the money to do that after buying the groupset.

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Old 01-23-14, 10:15 PM   #23
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It looks like the hub is relatively no-name, with an SRAM 850 12-26, 8 speed cassette.

While I would eventually build up a wheelset on the 105 hubs, I won't have the money to do that after buying the groupset.
SRAM and Shimano cassettes use the same spline pattern so a hub that takes SRAM cassettes will also take Shimano cassettes.
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Old 06-20-15, 09:54 PM   #24
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Upgrade 2006 Trek 1000 with currently the stock parks to a complete Shimano 105 5700

Hello Hoshnasi,

I'm looking to do the same exact project. Upgrade my 2006 Trek 1000 with currently the stock parks to a complete Shimano 105 5700 groupset. So, a year and a half later, how did your project go? How is the bike? Amy photos??

This thread has already been a help and very fun to read.

Thanks,
John
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Old 06-21-15, 09:43 PM   #25
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Zombie thread! I did this with a 1000, it worked fine, but really wasn't worth doing. If I wasnt planning on using the components elsewhere later on I wouldn't have done it.
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