I had great hopes for this book. They have been repeatedly dashed. About 10% of the time I find what I need to know. Until recently, I thought the problem was me, since I'm a novice cyclist and bike mechanic. But then I discovered 'Zinn and the Art of Road Bike Maintenance'. I no longer feel stupid! I respect Bicycling Magazine, so it's a bummer that this book, which they published, is lousy.