Description

・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 Description
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.