By Jim Langley A couple of weeks ago in this column, RoadBikeRider founder Ed Pavelka explained how easy it was to significantly lower his SRAM eTap gearing. If you missed that, it’s here, After that piece appeared, I thought about Ed’s wireless electric shifting and 22 gears, and it occurred to me that if you were just getting into road riding, you might be mystified … [Read more...] about How to Shift Gears Correctly on a Road Bike