True value and performance are found in these chainrings. They offer both long wear life and smooth shifting. MegaTooth technology for superior chain retention. FSA 120 BCD. N11 chainrings are compatible with all 10 speed drivetrains, and compatible with FSA, SRAM and 11 speed drivetrains. Item Specifications: Material, Aluminum, Tooth Count, 42, Ring Position/Type, Single, Chainring BCD, 120, Drivetrain Speeds, 11, Color, Black,.
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