Shimano SM-MA-Front Adaptor Flat Mount to Postmount Brake

Adaptor to use a a Postmount brake in combination with a Flat Mount. The adapter can be used as follows:

fork with Flat Mount:
SM-MA-F140PDA for the use of a 140mm brake disc
SM-MA-F160PDA for the use of a 160mm brake disc

frame with Flat Mount:
SM-MA-R140PDH for the use of a 140mm brake disc with 25mm bolts
SM-MA-R140PDD for the use of a 140mm brake disc with 35mm bolts
SM-MA-R160PDA for the use of a 160mm brake disc with 20mm bolts
SM-MA-R160PDB for the use of a 160mm brake disc with 25mm bolts
SM-MA-R160PDH for the use of a 160mm brake disc with 25mm bolts
SM-MA-R160PDC for the use of a 160mm brake disc with 30mm bolts
SM-MA-R160PDD for the use of a 160mm brake disc with 35mm bolts