* Precision engineering and highly advanced features make the Dura-Ace chainset the choice for road racing's elite riders
* HollowTech II 10-speed Dura-Ace Double chainset offers the optimum balance of lightweight and rigidity
* Integrated bottom bracket design gives wider bearing placement plus larger axle for increased stiffness and efficiency
* Minimal bearing interface gives superbly smooth rolling

NOTE:- Does not include bottom bracket cups which need to be purchased separately