All Questions
3 questions
7
votes
3
answers
2k
views
5 arm cranksets versus 4. Which is better and why?
I'm looking to buy a Sora triple crankset. Shimano make two types, one eith 5 arms, and the other with 4 arms1. Which should I get and why would that be a better choice? I'm a slow-ish rider. I'm 50 ...
2
votes
1
answer
2k
views
How do I figure out what crankset replacement will fit my derailleur?
I have a bike with a Shimano FC-M560 crankset in the front which I want to replace. I naively bought a Shimano FC-TY301 crankset, thinking that there's norms and that 3-speed cranksets are more or ...
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 ...