A direct fit option for your SRAM BB30 Short Spindled Cranks which replaces the existing chainring and spider. It’s also equipped with the patent pending Drop-Stop asymmetrical tooth design for the best in wear life, mud clearance, and chain retention. Features Wolf Tooth’s Drop-Stop tooth design for maximum chain retention. Works great for 190mm rear spacing Fat Bikes utilizing GXP cranks – narrows the chainline while still offering great tire clearance. Optimized for use with 10, 11, and 12 speed chains. Not compatible with 9 speed chains. Made from 7075 Aluminum for long life. 50 mm chainline when used with a short spindle PF30 / BB30 crankset. 55 mm when used on a GXP or BB30 long spindle crankset. 50mm chainline when used with a Short Spindle PF30 / BB30 crankset. 55mm when used on a GXP or BB30 long spindle crankset. A direct fit option for your SRAM BB30 Short Spindled Cranks. Replaces the existing chainring and spider. Works great for 190mm rear spacing Fat Bikes utilizing GXP cranks – narrows the chainline while still offering great tire clearance. Material: Aluminum. Offset: 0. Defined Color: Black. Ring Position/TYPE: Chain Retaining Single Ring. Drivetrain Speeds: 10. Drivetrain Speeds: 11. Drivetrain Speeds: 12. Tooth Count: 34. Direct Mount Type: Direct Mount SRAM. Round or Oval: Round. Chainline/Hub Compatibility: 135/142 MTB Hubs.