Shimano Ultegra FD-R8150

The new, improved ULTEGRA FD-R8150 2x12 Di2 front derailleur tips the scales at 110 grams, and it shifts exceptionally fast. Its frontal area has been reduced, decreasing its aerodynamic drag significantly. Super fast shifting Better aerodynamics, thanks to its frontal area reduced by 33% Weight cut to 110 g Top gear teeth capacity: 50-55T Attributes Chainline 43.5mm Cable Pull Di2 FD Capacity 16T Chainstay Angle 61-66 FD Mount Type Braze-on Swing Down Primary Color Black Speed 2x12