I’ll start of by saying my bike is optimised for my comfort :smile: That said, I do some fast group rides and I’m genuinely curious how much speed I’m giving up in exchange for said comfort :thinking: I have a Giant Revolt Advanced 2 for road riding. This is Giant’s carbon gravel bike with a rigid…

[image] AlexMartins: If you ride in groups, and there are a handful of 3 to 5-minute hills throughout a 60/70km ride, I’d confidently say that the lighter bike. All bike calculators I am aware of state the opposite, aero >>> weight, even at more moderate speeds. @mcneese.chad’s nice post give…

[image] trebor: Crazy that you can essentially buy 35 watts! 35 Watts of aero/rolling resistance savings, savings at high speeds. These will make you a little bit faster on flat courses but not a lot. On climbs these savings don’t matter (for us mortals anyway) because we are too slow.

Nobody seems to talk about going downhill. Aero bikes go way faster downhill. This is an area where it’s really noticeable. I was riding with a couple friends, we were coming down a mountain, fully tucked, going like 50mph. I was the only one in the bunch with aero wheels. At the bottom of the hill…

Thanks for all the replies, and it seems (again hehehe) that I’m wrong. Maybe my style and group ride are more prone to be decided on climbs, so I’d be inclined to go with a lighter bike. Again, I’m not an idiot, a 7kg aero bike is a dream, but I can’t afford it. I have to play with the tools I ha…

The rough math is that on steep climbs (say 7% or higher), every % saved in on-bike weight will save you the same % in climbing time. If you weight 70kg, your bike weighs 15kg, and you have 2kg of stuff (water, clothes), your on-bike weight is 87kg. If you switch to a 1kg lighter bike, that takes …

That’s actually not true that a headwind is the same as riding faster. This post explains it: [image] Headwind vs. Speed Calculation, big difference in watts Training Hoping someone can help my intuition around speed in different wind conditions. On Bike calculator, I’ve…

Oh not this again lol. Aero drag is in fact the same whether you’re travelling 40kph on a calm day, or 20kph into a 20kph headwind. So yes, quoted aero savings at 40kph are the same as what you get from going 20kph into a 20kph headwind. Otherwise wind tunnel testing wouldn’t work, and we would no…

Since I posted this, and sure Google, my phone and all sorts of electronic devices are silently capturing my thoughts, I’ve been flooded with: “Lighter x aero, which one is faster” heheheh After watching some videos, reading some articles, and doing some calculations on those websites, I’m prone to…

But is the 2021 TCR all that aero? It could be quite similar to the 2015 supersix - I really don’t know, but could be the case…

Which is my line of thought. So, even though they are 8 years apart, one being disc and the other rim brakes, they seem to perform similarly in regards of “aero gains”. I like to think I have a good position, which is 80% or more of the aero gains. The SuperSix being a bit lighter is my reason for …

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aarondeutchman October 11, 2024, 5:19pm 50

That’s actually not true that a headwind is the same as riding faster.

This post explains it:

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