Sooner or later, you'll ride over some glass or perhaps hit a rut or hole and get a flat tire. When this happens, don't panic! As long as you carry a few basic tools (photo), flat repair is easy -- even fun! Here's how it's done:
You'll need (l to r): a pump (carried on your bike or in a pack), a spare tube (to replace the popped one) and tire levers (for removing the tire).