FSA Super Road 50 -Tooth/10-Speed Chainring (110mm, Black) Bolt Pattern: 5-BoltChain Compatibility: Shim/SRAM 10Chainring BCD: 110mmChainring BCD: 110mmChainring Speeds: 10spChainrings Material: 7075-T6 AluminumComponent Color: BlackMax Teeth: 50tTooth: 50t