All Questions
3 questions
21
votes
2
answers
4k
views
Is there a practical gain from elliptical/oval chainrings?
I have seen competitive (amateur) cyclists with oval chainrings (front). What is the deal? Are they just for showing off, or is there a practical gain from it (different force transfer).
13
votes
4
answers
10k
views
Differences between Biopace and Rotor cranks
On mountain bikes of a certain age, "Biopace" chainrings are ubiquitous. These chainrings are (purposely) not circular. It seems that most people today agree that Biopace rings didn't live up to the ...
5
votes
1
answer
31k
views
Shimano Chainring Compatability
In my previous question we determined that I probably need new chainrings. I was/am planning on replacing the chainrings, and leaving the original crank.
Now this bike is running Shimano 105 FC-5600 ...