Oval rings help the rider to spin smoother and more efficiently Specifically designed for SRAM T-Type transmission drivetrain cranks Fits cranks with 8-bolt mounting pattern Chainring teeth have been specifically redesigned to work in all conditions with narrower chains that inherently have less space to accommodate mud Chainring offset is 3mm, 55mm chainline TECH 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;} Model Oval SRAM T-Type DM Ring Type T-Type Mount 8-Bolt DM 3mm Offset Teeth 30 Oval/Round Oval Color Titanium Chainring Teeth 30T