Try: Jamis Xenith Endura Elite ($3,200; jamisbikes.com)
Bike Types: Touring, hybrid, utility, roadster, recumbent.
Uses: Designed to go fast on open roads, ideal for fitness enthusiasts and competitive riders.
Terrain: Best on paved roads to reach optimal speed and acceleration. Unlike MTB's, they have no rear suspension.
Tire Size: Narrow tires meant for riding on smooth surfaces; however mountain bikes might be better for city streets, where the pavement is often uneven.
Frame Size: Lightweight and made of aluminum, carbon fiber, or titanium.
Handlebars: Typically dropped (or curled) to accommodate many speed settings, but there are flat-bar styles as well.