Road bike enthusiasts who want the best quality groupset, generally choose one of three brands that already have big names, namely Shimano from Japan, SRAM from the United States and Campagnolo from Italy. Their famous flagship product such as Shimano Dura-Ace, SRAM Red or Campagnolo Super Record. The product of these three brands have already recognized the high quality by a road bike enthusiasts.
Even the newest products from Shimano, opened the era of electronic shifting with Dura-Ace Di2 plus Ultegra Di2. With this technology, then the bike will be easier to shift gears as easy as pressing the lever.
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