Gear Inches Question
I've been bouncing this around in my head for a few days now. Did a bunch of research even and for the life of me, except for comparison purposes, I can't find a logical use for GEAR INCHES. According to the online calculator I found, my wheels have 101 gear inches. That tells me nothing. In reality, I have 86 inches of actual travel per revolution of the wheel, which if multiplied by the gear ratio that I now have of 52/13=4 times my wheel travel=28.66 feet per crank revolution. That's a number I can use and when I'm doing a cadence of 70 I am doing @23 MPH. Or 19.5MPH when I'm doing my normal cadence of 60. Both of these real world number jive with my GPS unit. So what the heck is the GEAR INCHES number for? Thanks