Linked Questions

7
votes
1answer
1k views

Where does the energy loss in cycling go proportionally? [duplicate]

If you are biking on level ground with no wind, I understand that there are losses inherent in your activity which you provide effort to overcome (if you want to maintain a steady speed): Air/wind ...
21
votes
12answers
16k views

Why is a road bike faster than a city bike with the same effort? How much faster it can be?

Why is a road bike faster than a city bike with the same effort? And how much faster it is? (if someone have measured it) Motive of the question: My current bike is a city bike with front fork shock ...
13
votes
8answers
1k views

Are there devices to moderate speed on mountain descents without braking?

In my neck of the woods there are some mountain descents that are pretty substantial: say 600 meters vertically averaging 7% grade, with lots of curves and other obstacles like potholes. Typically the ...
12
votes
1answer
4k views

How difficult would it be to maintain 17.5 Mph for an hour?

Whats a good target speed to maintain inside a velodrome for an hour? I believe Bradley Wiggins maintained an average speed of around 35 Mph for an hour, how difficult would it be to maintain half ...
11
votes
8answers
26k views

Will increased weight make me go downhill faster?

I have had this question for a while. I want to know how I can get down a hill as fast as I can. So, I was wondering if increasing the weight of a bike increases the speed on downhill stretches, or ...
13
votes
5answers
8k views

Are aerodynamic rims worth additional weight?

I was under the impression that reducing the weight of your wheels is important. However, I'm noticing that many of the extremely high-end aerodynamic rims are actually heavier than cheaper rims by ...
12
votes
4answers
5k views

How hard is a category 2 climb?

I am moving to Ojen Spain for work for 3 months and will be biking to marbella and back. I have put the ride into mapmyride.com and it says that the ride is a cat 2. Climb Start End Length ...
13
votes
4answers
4k views

Is it possible to accurately measure airspeed on a bike, and is it useful?

So riding into a 15mph headwind at 15mph, your airspeed would presumably show as 30mph. In no wind, airspeed of 15mph. What would the airspeed be if cycling at 15mph with a 15mph crosswind? And ...
12
votes
5answers
5k views

Is there a standard equivalent for effort between distance and elevation?

I'm starting to keep track of how far I ride on paper and while it's nice to have the data, I'd like to know how different rides stack up. I have one path I like to take which is really flat and goes ...
11
votes
3answers
3k views

Unable to get into a 'TT' position, is my bike fit wrong, or am I just fat?

I've been road cycling since July 2017. I am an overweight guy, the cycling has helped shed some kilos but I'm not at my ideal weight yet, and most of my weight is stored in my belly. A month after ...
10
votes
5answers
4k views

How does weight influence your speed when descending?

I have recently bought a road bike and went on a little trip with a friend who is also a novice. We have approximately the same height but he weighs a lot more (I weigh 67-68kg for 1m81 and he weighs ...
6
votes
3answers
2k views

What is the drag / power lost to a safety flag?

I have a recumbent bike that has a safety flag on the top of a thin pole, so it flutters around higher than and after my head. How much power am I losing to this flag that could be used to power my ...
5
votes
2answers
643 views

At what slope will the best bikes keep a constant speed?

At what slope will the best bikers (in terms of aerodynamics) on the best bikes roll at a constant speed at 80 km/h on an asphalt surface on a dry day? The reason for this question is because it gives ...
2
votes
5answers
3k views

Does Bike or Rider Weight / Groupset affect cruising speed on the flat

I posted this video on Facebook: and someone commented that my power readings were a bit "optimistic" I asked why and he basically thought that if I'm getting 600W I ...
1
vote
4answers
451 views

Faster with lower center of gravity?

If I bend my torso toward the top bar, lowering my center of gravity, will that alone help my bike go faster?

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