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Just went to a carbon frame from aluminum frame, so where is the big speed gain??

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Just went to a carbon frame from aluminum frame, so where is the big speed gain??

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Old 04-22-13, 03:41 PM
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Originally Posted by Seattle Forrest
And these are good reasons for spending money on a nice bike.
In that case, we should all be hyping old steel bikes on here and convincing each other what wonderful machines they are so we get the same effect for less $$
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Old 04-22-13, 03:49 PM
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Originally Posted by MetalPedaler
WRONG! Cheapest way to go fast, is top change your speedometer from MPH to KmPH!
My computer actually did this! Said I was cruising at 32MPH - knew it was too good to be true... (new Garmin came in this morning, back to reality)
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Old 04-22-13, 03:51 PM
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Originally Posted by Delco
So if changing the frame material adds no speed then why would anyone decide to pay more for a carbon frame?
It's called marketing. Every year you give the pros the latest, lightest most expensive gear and send the subtle message to the weekend warriors that they can perform like the pros if they spend the money for that kind of gear. It's done in lots of sports markets.
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Old 04-22-13, 10:58 PM
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Originally Posted by Bob Dopolina
As merlinX pointed out carbon will leave you fresher over a longer ride which can result in more speed later in the ride.
This! I feel less beat up on my carbon bike than on my aluminum bike. Besides the carbon matrix material, the chain and seat stays of the carbon bike I ride are further shaped to vertically flex a tiny bit to absorb high frequency vibrations. I can really tell the difference especially on rough tarmac. I did research though and read a lot on this forum for the better part of a year, so I knew what I was and wasn't getting from my new carbon bike.
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Old 04-22-13, 11:22 PM
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Riding my carbon bike vs steel bike on the same route is so much more comfy.
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Old 04-22-13, 11:25 PM
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Just pedal faster that helps.
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Old 04-23-13, 04:46 AM
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Originally Posted by Delco
I've been riding an aluminum frame Trek for 7 years and finally splurged ona new Cervelo S2 with upgraded Ultegra crank. My first ride was yesterday and I did a 17 mile loop I've done a bunch of times and was expecting to blow my normal time away with this new ride. So I get done and check my time and no gain! In fact I have done the loop faster on my old Trek atleast once. Needless to say I'm a bit disappointed but maybe I need to get use to the new gearing and fit before any gains are realized? Am I being too quick to judge here or did I spend $3k and really did not gain any mechanical advantage?

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Old 04-23-13, 04:49 AM
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Originally Posted by Smiziley
Did you get either a Dura-Ace or Red groupset? If not that may be your problem...Throwing money at it will solve it, definitely.
Or $2,500 worth of Zipp wheels. Aero wheels will make you a lot faster.
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Old 04-23-13, 08:10 AM
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Well, OP- by the diversity of conflicting opinions shared here, it should reinforce the fact that most of the small differences between bicycle frames and components truly come down to a matter of the rider's perception; and have little to do with actual performance. Performance comes from the rider. Aesthetics/feel/perception come from the bike...along with very minute gains in speed, which would only be noticeable to a racer.

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Old 04-23-13, 08:18 AM
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Originally Posted by banerjek
That costs money -- easier to adjust your wheel size.
And it's possible that a slight difference in tire circumphrence is masking a small improvement in speed by the OP. Add a couple of centimeters and that speed will go up.
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Old 04-23-13, 08:22 AM
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Originally Posted by jaltone
This! I feel less beat up on my carbon bike than on my aluminum bike. Besides the carbon matrix material, the chain and seat stays of the carbon bike I ride are further shaped to vertically flex a tiny bit to absorb high frequency vibrations. I can really tell the difference especially on rough tarmac. I did research though and read a lot on this forum for the better part of a year, so I knew what I was and wasn't getting from my new carbon bike.
High(er) end aluminum bikes can ride very, very nice. I'm just sayin'. There are, as you note above, many variables on the frame materials used that make a bike frame behave a certain way. (laterally stiff, vertically compliant, etc.)
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Old 04-23-13, 08:25 AM
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Originally Posted by Ricanfred
High(er) end aluminum bikes can ride very, very nice. I'm just sayin'. There are, as you note above, many variables on the frame materials used that make a bike frame behave a certain way. (laterally stiff, vertically compliant, etc.)
So true! My Klein rides like a Cadillac, and yet is stiff as a board. -and with 23mm tires, no less.
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Old 04-23-13, 10:34 AM
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Originally Posted by MetalPedaler
So true! My Klein rides like a Cadillac, and yet is stiff as a board. -and with 23mm tires, no less.
^ this

I am a recent Klein convert and am really enjoying the ride
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Old 04-23-13, 10:44 AM
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maybe you're just slow
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Old 04-23-13, 10:47 AM
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Originally Posted by pallen
In that case, we should all be hyping old steel bikes on here and convincing each other what wonderful machines they are so we get the same effect for less $$
No, then you guys would drive up the C&V market even more, please keep buying CF.
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Old 04-23-13, 11:03 AM
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Originally Posted by bt
maybe you're just slow
bt - This may be true

Metal Pedaler - I appreciate your sage like advice and dose of reality

I do notice a different ride than my aluminum bike and different sounds (not really relevant to speed but oh well). The bike is much tighter and probably accelerates better than my old Trek. Typically I ride between 16 and 18 mph on average and by the end of last season I was averaging slightly higher (18-19 mph) for a 30-40 mile ride. I'm guessing if I put more time in and get back to that form I may get more benefit from the carbon but time will tell. In the end I will ride more for sure as I have decided not to train for tri's anymore and just ride the bike this season.

If I don't get faster then hell i'll just buy new wheels, my kids will have to pay for their own college education I guess because dad needs carbon fiber...
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Old 04-23-13, 11:25 AM
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Originally Posted by alexaschwanden
Just pedal faster that helps.
This.

The rest of this thread is irrelevant to OPs "problem".
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Old 04-23-13, 11:28 AM
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Originally Posted by Delco
If I don't get faster then hell i'll just buy new wheels, my kids will have to pay for their own college education I guess because dad needs carbon fiber...
You're now a true roadie. Welcome to the dark side.
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Old 04-23-13, 11:56 AM
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Interesting thing, too- for any given advantage you may get in one area from a particular bike or component, you often lose as much in another area- i.e. lighter bike/lighter wheels may accelerate faster....but less weight also translates to losing momentum sooner/losing speed on descents; Deep-dish aero wheels may cut through a headwind a little easier....but you'll get buffeted in a crosswind.....
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Old 04-23-13, 12:12 PM
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Originally Posted by coasting
Riding my carbon bike vs steel bike on the same route is so much more comfy.
Comfort-wise, my carbon and steel bikes are very similar. Stiffness (especially in the BB area) and to a lesser degree weight are where I feel the difference. My hardtail MTB is the only alloy frame I own these days.
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Old 04-23-13, 12:15 PM
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Originally Posted by roadwarrior
Or $2,500 worth of Zipp wheels. Aero wheels will make you a lot faster.
Actually, reducing the small flapping of your bike jersey by wearing a tighter one will yield far more aero benefits than $2500 Zipp wheels. Those wheels give at BEST 1minute per 60 minutes of racing, and that's assuming you're 25+mph the whole time.
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Old 04-23-13, 12:22 PM
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Originally Posted by Delco
If I don't get faster then hell i'll just buy new wheels, my kids will have to pay for their own college education I guess because dad needs carbon fiber...
That's what community colleges and stay at home is for
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Old 04-23-13, 12:35 PM
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Originally Posted by cvall91
... Welcome to the dark side.
Wait... He's getting a recumbent???

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Old 04-23-13, 12:44 PM
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Serious answer: somebody did an experiment on a velodrome with a powermeter to find the biggest bang to for the buck, or rather the most watts saved per dollar spent. If I recall correctly, it was clip-on aerobars followed by an aero TT helmet.
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Old 04-23-13, 01:12 PM
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Originally Posted by caloso
Serious answer: somebody did an experiment on a velodrome with a powermeter to find the biggest bang to for the buck, or rather the most watts saved per dollar spent. If I recall correctly, it was clip-on aerobars followed by an aero TT helmet.

Really, I'm in for a set of clip on aero bars and a goofy TT helmet then. Maybe a skin suit so I can properly embaress my kids in front of their friends.
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