Book excerpt: As sensible as it may seem in an era when fuel prices are skyrocketing in tandem with environmental consciousness, a switch to bicycle commuting doesn’t necessarily happen overnight. Certain questions arise: Do I really need that $1,500 bike? Are Lycra shorts necessary? What about traffic rules? What to do when a tire blows? In The Bicycle Commuter’s Handbook, veteran cyclist, bike commuter, professional messenger, and author Robert Hurst gives you all the answers you need for worry-free riding. The ultimate, practical miniguide to tips, tricks, technique, and gear Compact and user-friendly For riding to work, to the grocery store, or just around town Color photos and illustrations