Originally Posted by BruceMetras

Thanks! Yes, it upshifts automatically when my cadence reaches around 90 (14mph), then away I go... the harder I pedal, the faster the shift.. you don't ease up on the pedals to upshift.. however, it will stay in high gear until your ease off on the pedal pressure (as if standing going uphill at say 10 or 11mph) .. if you approach a hill and are near the 14mph shift point, you just relax the pedal pressure and it drops into low gear.. if you are cresting a hill in low gear and heading down the other side at >14 mph, it will upshift automatically without even spinning the pedals.. you can modify the shift points by adjusting a little torsion spring inside the hub.... it's a cool piece, I'm hoping for long life!