How to Use Gears on a Road Bike Filetype:pdf This is a comprehensive guide on how to alter the gears on a road bike or on a mount bike. Route bike shifters tin feel intimidating at first, merely this guide provides step-by-step instructions on how to use Shimano, SRAM and Campagnolo drop-bar shifters. On road bikes, the shifters and brakes are usually integrated into one unit of measurement. There are slightly different variations on the design, simply this is past far the most common design on modern drop-bar bikes. They are sometimes referred to every bit "brifters". The best mountain bikes  (and the best hybrid bikes) apply flat-bar shifters. While they are pretty intuitive, there are different designs, so nosotros've provided instructions for the main two types: thumb shifters and grip shifters. How to modify gears on a road cycle