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This is the Holy Grail of bicycles. Whatever your style of driving on the roads through the mountains, just relaxing or riding in an urban setting, the bike will switch automatically, or you can manually switch modes on the tiny screen, which is located on the handle of a bicycle. It not only switches the resistance level for your needs, but also constantly trying to adjust to the terrain. It is built internal battery in bicycle that is charged during the ride, allowing you to connect the iOS device and charge it on the go. This is one of the best future Apple items 2013.
Source link: http://www.macorg.net/future-apple-products-2013/