SHIMANO 105 Di2 12 Speed Groupset Cassette and Sprocket Better control and confidence in

Better control and confidence in race conditions

makers of the world's No

Di2-EPS compatible / handlebar

time-trial: from the inspiring Vigorelli velodrome of Milan

Simple wheel replacement

SHIMANO 105 Di2 12 Speed Groupset Cassette and Sprocket Better control and confidence inIn 1982, SHIMANO 105 was launched to the cycling world, slotting beneath Dura Ace and Shimano 600 Series (later rebranded Ultegra). The new road group quickly gained popularity as a budget friendly platform that delivered high level functionality trickled down from higher end models. In the ensuing decades, SHIMANO 105 was updated seven times, each iteration providing ever improving technology in an approachable package. This year, as SHIMANO 105