5Dev T-Type Aluminum Oval Chainring, Raw, SRAM 3 Bolt, 30 Tooth, 3mm OffsetRide 5 Dev direct mount rings designed to work with anycranks with a SRAM Direct Mount pattern. Check out Neko Mullaly's 5Dev Review! CLICK HERE Item Specifications Chainline Hub Compatibility 141 148mm Boost MTB Hubs Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material 7075 Aluminum Weight 58g Offset 3mm Ring Position Type Chain Retaining Single Ring Tooth Count 30 Orgin Made in USA 5Dev Oval Chainring Direct Mount Chainrings