Originally Posted by

**gsa103**
Can you get your hands on a 5800/6800/9000 levers for comparison with newest shifters? I'm wondering if you can also do the reverse and measure the distance from the pivot to the cable pull on the caliper, which should give you the total mechanical advantage.

Sorry, no, I don't have any of the new series of levers.

Measuring the arm of a V-brake or mini-V is pretty trivial. I think dual pivot caliper brakes would be a bit more complicated, but you could probably still figure out a number from a couple of measurements.