Intense study of chain and chainring wear patterns led to the radical tooth profile that lasts longer runs quieter and further improves chain retention. Oval ring shape for riders that want to adjust the power profile of their pedal stroke.Oval ring shape is designed for riders that want to adjust the power profile of their pedal strokeX-SYNC 2 chainring design increases chain retention wear life and reduces friction and noiseDesigned to be used with SRAM Eagle 12-speed chainsCrafted from CNC Aluminum SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Tooth Count 32 Drivetrain Speeds 12 Round or Oval Oval Offset 3 Material Aluminum Defined Color Black Direct Mount Type Direct Mount SRAM 3-Bolt