On Wednesday, May 14, 2025 at 4:16:23 PM UTC-5 Bicycle Belle Ding Ding! 
wrote:

But wind is the mortal enemy of a Rivendell, I think, even if it’s a road 
bike. 


Wind is an impediment to speed on any bicycle. The stronger the apparent 
wind (either from speed or headwind) the bigger the impediment. The 
disadvantage of a large frontal area and otherwise increased Cd goes up 
with the square of the apparent wind velocity. You've chosen a bike and 
position that have a great deal more Cd than what most people think of as a 
road bike and position. It's certainly not anything like my Rivendells, so 
I don't think it's fair to generalize your experience to all Rivendell 
bikes..

Grant once published a photo of himself descending Diablo sitting bolt 
upright and wearing a big sombrero. He titled the article "In Favor of 
Blowing Off Aerodynamics". You've discovered the limits of that philosophy. 
 

Ted Durant
Milwaukee, WI USA

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