All Questions
6 questions
2
votes
2
answers
706
views
Momentum and gyroscopic difference between wheel sizes
A common folk wisdom in mountain biking is that smaller wheels (like 26") are "quicker" or "more flickable" and "better for courses that require lots of speeding up and ...
- 3,456
1
vote
2
answers
271
views
Understanding science of speed difference between two bikes
I have two MTBs and one is slower than the other.
Bike1 has Deore derailleurs and a double chainring with 10 sprockets and Shimano hubs. Which has a great speed irrespective of the gear combination.
...
- 11
2
votes
2
answers
913
views
Why do deep section front wheels get pushed around in crosswinds?
If a bike with a deep front wheel or a front diskwheel were to receive crosswinds with a 90 degree yaw angle handling would not be affected since the pressure would be equally distributed among the ...
- 1,468
6
votes
5
answers
3k
views
Why do skinny tires require less pedal effort?
Everyone knows (citation needed) that (at fixed rim diameter) tyres with smaller section require less effort to move around (at least on a paved road).
TL; DR.
Why?
A bit of context.
I always ...
- 496
12
votes
8
answers
16k
views
Does a 700c wheel help you go faster?
Someone suggested going with a 700c wheel to go faster, and after thinking about it I am wondering if a larger wheel actually does go faster. I understand that your gears will cause a wheel to rotate ...
- 3,115
17
votes
3
answers
4k
views
What is the effect of adding weight to a wheel vs adding it to the frame?
There are claims often made that, eg, "An ounce of weight at the rims is like adding 7 ounces of frame weight." This is "common knowledge", but a few of us are skeptical, and our crude attempts at ...
- 54k