An update. The second LBS shop had Paul the mechanic at La Habra Cyclery in Southern California. Paul was able to fix the problem by swapping out my front derailleur for a new one so that a chain catcher/deflector could fit. I was seriously thinking about selling my recently bought 2011 Specialized Ariel sport hybrid and buying a cheap MTB, but now, I feel more confident about riding my hybrid up a beginner trail.

Super happy today! I will definitely consider Team Estrogen's advice about buying a MTB if I do more than beginner trails.
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2012 Specialized Amiral Elite, upgraded carbon handle bars, Jett saddle 143mm

2011 Specialized Ariel Sport,suspension post,Serfas Rx Women's Microfiber saddle