More compact and faster than ever, the ULTEGRA R8150 front derailleur performs digitally precise front shifts under any circumstances.

Combining Shimano’s new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with our fastest, most seamless action.

FEATURES
Our fastest ever front shifting, 45% faster than FD-R9150
Smaller, sleeker, lighter
Frontal area reduced by 33%
Weight cut to 116 g
Top gear teeth capacity: 50-52T

PRODUCT SPECIFICATIONS
MODEL NO: FD-R8150
SERIES: ULTEGRA R8100 Series
Color: Series color
Average weight: 110
Action_Down Swing:
Chain line (mm): 44.5
Chain stay angle (deg.): 61 – 66
Compatible chain: HG 12-speed
Firmware update by E-TUBE PROJECT:
Link bushings: 4
Mount_Brazed-On:
Top gear teeth: 50-52T
Total capacity: 16T
Front speeds: 2
Rear speeds: 12
SD300 connector (pcs): 0
SD300 port (pcs): 1
SD50 connector (pcs): 0
SD50 port (pcs): 0