Print this checklist and keep it with your gear:

Flip the bicycle upside down onto its seat and handlebars (use cardboard to protect the saddle and shifters).

Before throwing a leg over your bike, always perform the "A-B-C" safety check:

He opened it to page 12. There, in the same blue ink, was a note:

Ensure the wheel is perfectly centered between the fork blades.

: The Right (R) pedal threads clockwise. The Left (L) pedal is reverse-threaded and must be turned counter-clockwise to tighten.

Ensure the chain runs smoothly through the derailleurs. Inspect all cables for fraying or loose connections.