The principal benefit of the greater suppleness is reduced rolling resistance, 
reduced hysteric losses and thus greater speed for the same watt input. 
The real question though is at which point we have diminishing returns. I dont 
think that this is a one-answer-fits-all as I believe its greatly dependent on 
the ability and expertise of the rider and his equipment to harness the 
marginal increase in performance. 


On Monday, May 1, 2017 at 5:04:29 PM UTC-4, Patrick Moore wrote:
> Yeah, but his tests were to my judgment not conclusive. How do you "prove" 
> that this handling is better than that? And for whom? Once again, my own 
> experience, which is extensive, if not as extensive as Jan's, contradicts 
> this opinion.
> 
> 
> The principal benefits of the extralights is not weight, or principally 
> weight, as far as I know, it's the greater suppleness of the casings.
> 
> 
> 
> 
> 
> 
> On Mon, May 1, 2017 at 12:51 PM, panog <panogia...@gmail.com> wrote:
> 
> Yes he did and he included a series of his tests in BQ to back up the claim. 
> I dont think JH is alone on the assessment of the 32s being optimum size for 
> 700c wheels. Another who comes to mind is Mike Kone of Boulder Bicycle. 
> I am of the understanding that sizes beyond that are focused more in comfort 
> at the expense of handling or speed. Furthermore, one aspect that appears to 
> be often overlooked is the effect of a significantly taller tire installed on 
> a road bicycle originally designed for a BB spaced to accommodate up to 32mm 
> tires, regardless if such tire fits the fork or chainstays.
> Granted, unless one pushes the bike up to higher performance ranges (and has 
> a bike that is specifically designed to comply to such actions), these 
> theories maybe largely insignificant although true. However, if that's the 
> case, why one would care about sacrificing the incremental benefits of the 
> extralights over the standard casings?   

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