Breastfeeding and diet. You don't need to eat anything special while you're breastfeeding. But it's a good idea for you, just like everyone else, to eat a healthy diet. A healthy diet includes:
Three-speed bicycle. The three-speed bicycle is a bicycle that uses internal hub gears at the rear wheel hub to provide three gear ratios. Typically, in low gear, the rear sprocket turns faster than the wheel; in middle gear, the rear sprocket turns at the same speed as the wheel; in high gear, the rear wheel turns faster than the sprocket.
For road bikes, 18-22mph is pretty average. The world speed record is about 82mph unassisted but that is with a special aerodynamic recumbent bike and athletic rider on the flat desert highway. It is a lot faster with drafting a car or train. In a velodrome or on an exercise bike it can also be faster.