FSA Pro Road Chainrings deliver flawless shifting for any road drive train.N-11 chainrings are compatible with all 10 speed drivetrains, and compatible with FSA, SRAM and 11 speed drivetrains. N-10 chainrings are compatible with , SRAM and Campagnolo Ultra Narrow 10-Speed drive trains. S9/C10 chainrings are compatible with 9 speed and Campagnolo C10 10-Speed. Precision CNC machined AL7075/T6 alloy. Item Specifications: Tooth Count, 50, Ring Position/Type, Outer, Drivetrain Speeds, 11, Chainring BCD, 120, Color, Black, Defined Color, Black, Material, Aluminum,.
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