The crank set of DURA-ACE from SHIMANO from SHIMANO! It is an inevitable crank when talking about bicycle races, not just the fixes. Among the many lineups of SHIMANO, the model name "Dura-Ace" is the durability, which means durability, which means durability. And the name "ACE" "ACE" "in the world" is combined to the name Dura-Ace. It is such a crank that I want people who like things to be used. Of course, the accuracy is endorsed because NJS has been certified. This time, the chain ring 50T will be available! Dura-Ace Crank Arm 165mm ¥ 31,642 (+Tax) DURA-ACE CHAINRING 50T ¥ 11,666 (+Tax)