650 vs. 700

Triathlon Forum
1

Hey all,

What is the diameter of a 650c vs. 700 c wheel? I’m trying to figure out gearing and whether to go with FSA compact cranks…

thanks

Once again - anybody know if you can put powercranks on FSA BB? Is it the same as shimano or different?

3

Let me know your email address. I have a excel document you’ll find helpful (but can’t seem to attach it). Email me at grant@tri-actionsports.com

Grant

4

I use 1950mm for the circumference for a 650 and 2110mm for the circumference of a 700. You can figure out the diameters from those numbers and using a lot of multiplication, you can calculate speeds too.

jaretj

5

Try this link http://www.sheldonbrown.com/gears/
.

6

FSA cranks come both in Octalink and ISIS bottom bracket interface.

What is Octalink and ISIS?

Thanks- I have the FSA compacts on my bike, dont know which ones though…

8

Interesting… Thank You-