[QUOTE=McBTC;19158682]I'm no expert but I don't believe you have a proper handle on the physics. The crank arm is the lever; and, the bottom bracket is the fulcrum

The 'Fulcrum' changes every time you move from one chain ring to the next. That's
what gears do. I'm sorry you don't grasp the concept. Probably diminished blood
flow to the brain. you should ride more & post less. It will improve function.