FSA Pro Road chainring, 130BCDx52T - black Bolt Pattern: 5-BoltChain Compatibility: Shim/SRAM 10Chainring BCD: 130mmChainring BCD: 130mmChainring Speeds: 10spChainring Speeds: 9/10spChainrings Material: 7075-T6 AluminumComponent Color: BlackPosition: OuterTooth: 52t