You can find walkable, safe neighborhoods all across the city, so it will likely come down to the location of your work, and the type of lifestyle you prefer (laid back, in the scene, family life, etc.). I live on the west side myself, so I'll speak to this area.
What is a Concave Wheel? Concave Technology takes the center of the wheel and dips inwards to give it that bowl effect. Rather than exaggerating a bigger lip for the back wheel, and a smaller lip for the front. Concave wheels emphasize the concavity of the rear wheel to differentiate from the front wheel.
concave. rounded and somewhat depressed or hollowed out. concave face. of the Golgi complex in the developing embryo is associated with maturing secretory vesicles. concave shoe. a horseshoe with its inner edge thicker than the outer so that the surface touching the ground is slightly smaller than the surface in contact with the hoof.