Shimano DURA-ACE Super Narrow Road Chain 11Speed

BICYCLE CHAIN, CN-HG901-11,FOR 11-SPEED (ROAD/MTB COMPATIBLE)Features:-HG-X11 special asymmetric plate design for 11-speedSIL-TEC on Plate/RollerHG-X11 Versions: CN-HG900-11, CN-HG901-11, CN-HG700-11, CN-HG600-11Compatibility: MTB and Road (11-Speed)Specification:-- CHROMIZING TREATMENT ON PIN X- SERIES NX10,XTR- TYPE HG-X11- GENERATION XTR/Dura-Ace HG901-11- PIN LINK PLATE SIL-TEC- ROLLER SIL-TEC- SPEEDS 11- AVERAGE WEIGHT 247g- ROLLER LINK PLATE SIL-TEC- E-BIKE APPROVED X- HOLLOW PIN X