Brake levers that double as shift levers were a huge advance in shifting when they first appeared. Finally, we didn’t have to move our hands down to shift from levers located on the ends of the handlebars, or off the bars to shift levers mounted on the frame. This made it much easier to always be in the right gear, which saves energy. And it also allowed racers to shift more … [Read more...] about Getting a Broken Shift Cable Out of the Lever