Tagged Questions

12
votes
2answers
1k 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).
6
votes
4answers
1k views

How to fix front gear taking 2 shifts just to move onto next cog

I was out on a ride yesterday and several times when I was changing up and down between big chain ring and little chain ring (I only have the 2 rings up front) it required 2 gear changes. The gears ...