Campagnolo Re, Ch 2x10sp chainring, 110BCD - 50t Bolt Pattern: 5-Bolt, 4-ArmChain Compatibility: Campagnolo 10Chainring BCD: 110 Campy CTmmChainring BCD: 110mmChainring BCD: 110BCD*Chainring Speeds: 2x10spChainrings Material: 7075 AluminumChainrings Material: 7075-AlComponent Color: AFTComponent Color: GreyMax Teeth: 50tPosition: OuterTooth: 50t