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Carbon w/105 or Aluminum w/Ultegra?

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Carbon w/105 or Aluminum w/Ultegra?

Old 09-13-10, 11:49 AM
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Carbon w/105 or Aluminum w/Ultegra?

As I'm starting a search for a new bike, I came across the following dilemma:

1) To buy carbon fiber bike with 105 components
2) To buy aluminum bike with Ultegra components & better saddle/wheels ?

I am 6'2" tall, and weight 200lbs. I've never bought carbon bikes before, always thinking that my weight will crush them someday. Up to this point my best bike was 2010 Specialized Allez Elite w/full 105 group, but I've always thought about buying carbon...just didn't want to break the frame.

So the question is: carbon with lesser components, or aluminum with cool stuff?
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Old 09-13-10, 11:55 AM
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You already have an aluminum bike...
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Old 09-13-10, 11:55 AM
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You won't crush a carbon frame. But buy the bike that fits best.
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Old 09-13-10, 11:58 AM
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I would go with carbon and 105. That is what I recently did. The carbon is a much better ride. Also, 105 is very solid. I think the big differences (which aren't that big) between 105 and Ultegra is cosmetics, weight, and maybe Ultegra is a bit smoother (an extra bearing, maybe). Those more in the know, correct me if I'm wrong. I'm pretty happy with 105, though I have never owned Ultregra, only tried it on test rides. I am not a big fan of aluminum bikes. I like carbon or old school steel.

Matt
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Old 09-13-10, 12:01 PM
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So Which bike did you end up buying, Matt?
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Old 09-13-10, 12:14 PM
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What's wrong with a 2010 Allez with 105?

That's more than enough bike for 80% of the bf'ers here.
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Old 09-13-10, 12:16 PM
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Ohh I'm about to sell the Specialized. Just doesn't fit me well. The 61cm frame is too small for me, so I'm looking for a 62cm upright frame, relaxed geometry.
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Old 09-13-10, 12:18 PM
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Feel free to upgrade your current bike with Ultegra and send me your 105 parts in the mail. I'll dispose of them for you.
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Old 09-13-10, 12:18 PM
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Originally Posted by himespau
Feel free to upgrade your current bike with Ultegra and send me your 105 parts in the mail. I'll dispose of them for you.
Thanks! This might be the best advice I've ever got on bikeforums. You rock!
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Old 09-13-10, 12:21 PM
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You might as well just do both...carbon fiber AND ultegra.

FWIW, I rode an 09 Allez Elite the past year and only upgraded to an 09 Tarmac Expert(great buy for only $2000...still in the box) b/c mine was destroyed. Can I feel a difference between the two? Yes. Would it have been worth it to go buy a CF bike if I still could ride my Allez? No.
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Old 09-13-10, 01:17 PM
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Go and ride a good carbon fiber bike with 105.

I was actually faced with this decision not too long ago. I rode some aluminum Ultegra bikes and even rode a carbon Cervelo S4 with Ultegra. I rode a Cannondale Synapse carbon 5 and I instantly knew it was the bike for me. It accelerates well, has fairly relaxed geometry for long rides, is fairly light and the frame soaks up a lot of road noise my other bikes do not.
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Old 09-13-10, 01:20 PM
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If its 5700 go for the carbon.
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Old 09-13-10, 01:35 PM
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Originally Posted by aboss3
So Which bike did you end up buying, Matt?
I got a great deal on a Scott Addict R3, with full 105 components. It is my first road bike in 16 years, though I have been riding regularly—commuting and mountain biking, and a little light touring.

It feels so nice going fast again.

Matt
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Old 09-13-10, 01:45 PM
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When I was looking for a bike I was told buy the best frame you can afford. You can always upgrade the components. Unfortunately for me at the time, I could only afford an aluminum bike. A couple years later I went from an aluminum to a carbon and it was a world of difference. So I'd say Carbo frame w/ 105.

On my old Allez I'd get lots of road buzz and my hands and feet would be dead tired after long rides. But I got a carbon frame from a group buy (Xmas BD Bottechia frame a couple years back) and it was so much more comfortable and the BB was less flexy than the Allez. It just soaked up the road bumps so much better and it was a bit lighter too. I am so glad I got the carbon frame.
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Old 09-13-10, 01:49 PM
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Thanks for suggestions. That's what I'm leaning towards - buying a carbon bike with 105, and then I can slowly upgrade the components as they age or I get richer
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Old 09-13-10, 02:01 PM
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i've been debating something similar myself, higher end AL vs lower end Carbon... love the carbon feelin out riding, not sure yet if its worth the cost of entry over a nicer AL bike...
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Old 09-13-10, 02:03 PM
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Are you willing to drive to Newbury Park (Thousand Oaks)? I was at the Nautica Tri at Zuma yesterday and Newbury Park Cycles had either a demo medium (if I remember correctly. As soon as I hear medium I tuned out because it's too small for me. Is there such thing as m/l?) Giant Defy Advanced with 105 for $1350. He said he also had a L at the shop. I'm not sure if he has an XL or not, but he said it was the same price. I did not think to look at what year it was or 5600 or 5700. Black with red and white. May be worth a call. And no, I'm not a shill. I have never been to the store, know nobody who works there and before anyone calls me a shill, let me remind you of my Dick's Diamond Back thread! I'm just passing on info I saw.

Good luck in your search!
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Old 09-13-10, 02:03 PM
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I had 105 on my 09 Roubaix Compact. I was totally satisfied with the 105. My 2010 Roubaix Expert has Ultegra 6700. The Ultegra might a little lighter and a little smoother, but I can't tell a lot of difference between them.
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Old 09-13-10, 02:08 PM
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I was riding my Specialized Sirrus commuter up until last week when I got a 2011 Spec Roubaix Comp Rival. I can believe the difference in ride quality, the carbon is much smoother than the AL.

Riding position is working some new muscles lol but I really like the bike. Still use the Sirrus as a commuter. Oh and even at 275lbs the bike feels really solid!

Here they are!





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Old 09-13-10, 02:43 PM
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The Roubaix looks nice! How much did it cost you? Around $2k I assume?

Originally Posted by 3Truck
I was riding my Specialized Sirrus commuter up until last week when I got a 2011 Spec Roubaix Comp Rival. I can believe the difference in ride quality, the carbon is much smoother than the AL.

Riding position is working some new muscles lol but I really like the bike. Still use the Sirrus as a commuter. Oh and even at 275lbs the bike feels really solid!

Here they are!





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Old 09-13-10, 02:48 PM
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I'm the same height, and five pounds lighter (and was 230 when I bought my bike), and I can verify that carbon will easily survive your weight. Specialized Roubaix for me, no problems at all. If you have issues with carbon vs. aluminum, that's fine, but the fear that it won't hold you shouldn't be one of those issues.
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Old 09-13-10, 03:12 PM
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Then it's carbon all the way.

Looking for a nice deal on the Roubaix now....
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Old 09-13-10, 03:18 PM
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the roubaix impressed me beyond words when I test road it (expert w/ ultegra), the bike is smooth and comfy... vibration free to the point that it almost feels 'dead', but I'd imagine that would be a positive on a longer ride eh?? you won't go wrong with it...
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Old 09-13-10, 06:20 PM
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Yeah the roubaix Elite with the SRAM Apex is right at 2k . But I was told I would be looking at Dec before there was one available again. So I went up one to the comp, but the Elite in Black and Carbon looks great.
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Old 09-13-10, 07:21 PM
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61 too small at 6'2? You must have long legs.
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