Dura Ace Di2 FD-R9150 Rear Derailleurs Road SMART-V compound is the SMART

SMART-V compound is the SMART compound re-engineered for vulcanized tires delivery grip and durability

Durabilité supérieure

Connectivity ANT+

Super lightweight

Fast tread for gravel sections and urban use

Dura Ace Di2 FD-R9150 Rear Derailleurs Road SMART-V compound is the SMARTDi2 2x11 front derailleur Shimano synchronized shift Maintains compact and smooth appearance Race endurance for less damage in crash Quick and smooth front shifting under high pedaling torque Attributes Chainline 43. 5mm Cable Pull Di2 FD Capacity 16T Chainstay Angle 61 66 FD Mount Type Braze on Swing Down Max Chainring 55T Primary Color Black Speed 2x11