This past holiday season saw a record number of smartphones and tablets sold, but this has some people worried in the bicycle industry. Amazon.com has released an app that allows people to visit a brick and mortar bike shop, take up an employee’s time to be fitted, scan the bar code and immediately order the product from Amazon – presumably at a discount. In response, Mike Sinyard, President and Founder of Specialized Bicycle Components, has sent out a letter to its dealer highlighting this new app and Amazon’s plunge into the bicycle market. Letter after the jump