1x12-speed RD-M7100-SGS

With a 35 internal width

Plenty of grip with rubberized elastics

Who's this item for: These are for the weight weenies looking for every advantage on their XC race machine and are willing to sacrifice protection over weight savings

100 Percent R-Core Concept Long Sleeve Jersey - L - Black Envelope Shipping 1x12-speed RD-M7100-SGS* The R Core Concept Jersey is a two piece Combo The Sleeveless Bib Jersey and Long Sleeve Jersey are sold separately. Get the Sleeveless Bib Jersey here. When every split second counts, an aerodynamic fit can make that difference. When paired up with the R Core X shorts, the R Core Concept jersey combo offers maximum mobility in the riding position. The two piece unit starts with the poly spandex long sleeve stretchable body topped off with a