We’ve written about dozens of bike accessories this year--here are seven of the coolest. In 1917, Freud wrote about “the narcissism of small differences,” unwittingly describing bike culture today. Co.Design writers covered dozens of bikes and accessories this year, from the first inflatable helmet to Ideo’s award-winning electric bike. Here are seven objects for the cyclist in your life, whether they’re into crocheted top tube pads, spandex everything, or penny farthings.