FSA Pro Track 51T x 144mm Black Bike Chainring fit 1/8″ Chain Single-Speed Fixie
The chainring can be mounted with either the large double FSA logo, or the small triple FSA logo facing out (see pictures). Chainring BCD: 144 mm. Ring Position: Single. Requires 1/2″ x 1/8″ chain. Chain Compatibility: 1/2″ x 1/8″.