Northwave Hammer Plus Women MTB Shoes Black/Iridescent 38 CheckoutSpec= 38mm Ring Position/Type Chain Retaining Single Unsurpassed reliability Flange Diameter ModelNumber=E3615 H921229-04-21 Length:45Mm

Northwave Hammer Plus Women MTB Shoes Black Iridescent 38 CheckoutSpec= 38mm Ring Position Type Chain Retaining Single Unsurpassed reliability Flange Diameter ModelNumber=E3615 H921229 04 21 Length:45Mm Ring Position Type Chain Retaining Single Ring Tooth Count 28 Round or Oval Round Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Offset 3 Chainline Hub Compatibility 135 142 MTB Hubs Chainline Hub Compatibility 170 177 Hubs Chainline Hub Compatibility 190 197 Hubs Chainline Hub Compatibility 150 157 DH Hubs Chainline Hub Compatibility 157 Super Boost Hubs Chainline Hub Compatibility 141 148 Boost Hubs Material Aluminum Defined Color Blue Direct Mount Type Direct Mount CINCH SRAM drivetrain engineers optimized this ring to combat the high torque