NEW Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max Black/Silver type_bicycle-stands-storage Model:STW TR21v

Model:STW TR21v

SM fits riders 5'4" to 5'9"

traction and cornering confidence

Dark Blue w/yellow dots

NEW Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max Black/Silver type_bicycle-stands-storage Model:STW TR21vCombining Shimano's Di2 platform and the road incarnation of Hyperglide+, the Ultegra FD R8150 front derailleur shifts between chainrings with the fast and seamless action. Small, sleek and lightweight front derailleur Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50 54t Derailleur Capacity: 16 Double or Triple: Double Drivetrain Speeds: 12 Front Der Shifter Compatibility: Shimano Road Di2 Front