The gears on a bike can be thought of as different speeds for the same bicycle. For example, a bike whose top gear was 21 would be a 21-speed bike.
Likewise, lower numbers on a cycle would...
When we were kids, we rode a fixed gear bike. We pedaled harder and slower to go uphill and to go downhill. Finally, we just coasted and let the terrain pull us along. And on the flats, we flew! We...