Bicycling While Traveling - If you’re riding far from home, on vacation or business, it’s easy in your exuberance to fit in a ride and explore a new place, to get lost. To make finding your way back easy, a good idea is to carry a brochure from your hotel with you. That way, you can show it to the locals when asking for directions. This can come in really handy when you don’t speak the language.
Also called a derailleur hanger, this is the tab beneath the right rear dropout (not all bikes have these), which the rear derailleur is screwed into.