SRAM X Sync 2 Eagle Cold Forged Direct Mount Chainring 30T Boost 3mm Offset MFPN=SROV28BK Color Black Ring Position Type Inner Color Black Ring Position Type Inner Ring Position Type Outer Tooth Count 50 37 Round or Oval Round Drivetrain Speeds 12 Chainring BCD Direct Mount SRAM Chainline Hub Compatibility 130 Hubs Chainline Hub Compatibility 135 142 Road Disc Hubs < 415 mm Chainstay Material Aluminum Defined Color Black Direct Mount Type Direct Mount SRAM }Shimano FC RX600 10 11 Chainring 30t 80mm BCD For 2x10 and 2x11 Black }tr:nth child(even){background color:#f2f2f2}th{background color:#eb212e }SRAM X Sync 2 Eagle Cold Forged Direct Mount Chainring 30T Boost 3mm Offset