Chainring Absolute Black Oval Direct GXP 30T Black Oval chainrings have been shown to improve traction and reduce leg fatigue Ideal for 1x 9/10/11 system and single speeds 11 percent ovality 50mm chainline If used in a 1x9 drivetrain a 10sp chain must be used 7075 Aluminum construction B.C.D.: Direct Mount Size: 30T Profile: Narrow/Wide Material: 7075 Alloy Offset: GXP Color: Black : In The United States-->
