SIL-TEC products run smoother and wear longer in all conditions. Dura-Ace or XTR
HG-X11 special asymmetric plate design for 11-speed
SIL-TEC on Plate/Roller
HG-X11 Versions: CN-HG900-11, CN-HG901-11, CN-HG700-11, CN-HG600-11
Comp: MTB and Road (11-Sp