North Shore Billet Variable Tooth Chainring: 30T x 88mm BCD, for XTR 985 Series

North Shore Variable Tooth Billet Chainrings Machined from solid 7075 T6 AluminumAnodized black with laser etched graphicsVariable tooth profiling ensures ultimate chain retention Item SpecificationsColorBlackMaterialAluminumTeeth30Chainring BCD88Chain CompatibilityDynaSys 10Chain CompatibilityShimano DynaSys 11Chain CompatibilitySRAM 10Chain CompatibilitySRAM XX1Defined ColorBlackRing Position/TYPEChain Retaining Single Ring