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PostPosted: Sun Aug 19, 2012 7:09 am 
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Joined: Sun Aug 19, 2012 1:05 am
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Hi guys.

Any thougths on this would be appreciated

Vastas.


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PostPosted: Sun Aug 19, 2012 7:40 am 
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Location: Sweden
It's really not the BB that holds the stiffness, that's a bike magazine myth. it's the downtube, seattube and chainstays that flex and twist. These super oversize BB junctions on todays frames main function is to save weight. You hardly have any lever force on the BB shell.

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Posted: Sun Aug 19, 2012 7:40 am 


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PostPosted: Sun Aug 19, 2012 8:20 am 
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thanks DMF.

Good info.

What current carbon bike do you think is the stiffest in it's entirety today ?


Vastus


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PostPosted: Sun Aug 19, 2012 8:29 am 
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What kind of peak wattage do you actually put out in a short sprint? And what is your weight?

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PostPosted: Sun Aug 19, 2012 8:31 am 
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my weight is 88kg.

i do not measure power output when i am riding. sorry


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PostPosted: Sun Aug 19, 2012 8:46 am 
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If the geometry fits you, and the price fits the bill, I'd reckon a Mario Cippolini bike could be among the stouter rides out there (if it's good enough for Super Mario, it's good enough for you). But there is more to a stiff ride than the frame tubes. You really need to look at wheels, cranks, shoes and bar/stem-combo too...

Otherwise look into getting a custom steel or aluminum frame (like Tsunami), that can be tuned to your stiffness requirements just by choice of material thickness.

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Van Nicholas Zion Ti


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PostPosted: Sun Aug 19, 2012 9:25 am 
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Thanks DMF.

What bike do you ride?

Vastas


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PostPosted: Sun Aug 19, 2012 9:43 am 
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I ride a cheapish aluminum frame, built as a criterium racer, as my main roadbike. Nothing special, but I love the geo so I can't get myself to make the change for a 'better' frame :)

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PostPosted: Sun Aug 19, 2012 11:13 am 
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Location: Melbourne, Australia
Velocity pride themselves of targeting stiffness before weight. That said their bikes aren't exactly heavy either.

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PostPosted: Sun Aug 19, 2012 11:31 am 
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Stiffest bike in it's entirety would have to be the Ridley Noah.


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PostPosted: Sun Aug 19, 2012 1:23 pm 
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Location: NoVA
I believe both Tour and Velo gave the Cannondale Evo their highest score ever for stiffness.


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PostPosted: Sun Aug 19, 2012 1:33 pm 
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Ramjm_2000, are you confusing stiffness with stiffness to weight ratio?


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PostPosted: Sun Aug 19, 2012 1:34 pm 
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Isn't that stiffness for it's weight... I have a very hard time thinking it would be stiffer than some of the sturdier frames that are twice the weight and twice the amount of the same material?

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PostPosted: Sun Aug 19, 2012 1:48 pm 
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I am 6' 3" 220lbs and I ride a look 695 sr, it is super rigid and super light my bike weighs 13.6lbs


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Posted: Sun Aug 19, 2012 1:48 pm 


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PostPosted: Sun Aug 19, 2012 4:25 pm 
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Location: Sydney, Australia
My bike is the stiffest.


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