FSA Gossamer Pro Mega Tooth Chainring

- For Gossamer Pro cranks with 4 bolt ABS spider (Asymmetric Bolt Spacing)
- N11 rings are compatible with all 10/11 speed drivetrains (except Campy-11)
- Black ano

Note: ABS rings do not fit 110mm BCD cranks with evenly spaced 64.7mm center-to-center bolt spacing.