For 203mm Rotor. Shimano Disc Brake Adapter. IS = 51mm (centre to centre). PM = 74mm (centre to centre).
Shimano Disc Brake Mount Post IS Adaptor Front Rear 160 180 203 mm CHOICE
Shimano Disc Brake Mount Adapter - SM-MA-F180P/P2 - PM to PM - 180mm
Shimano Shimano Post Mount 220mm Disc Brake Mount Adaptor
ANCLLO Flat Mount Disc Brake Adapter for Road/mountain Bikes 140/160mm Front/rear Compatible with Shimano Disc Brake Adapters
Shimano Disc Brake Adapters SM-MA-F180P, Plus 20mm Post Mount
140/160/180/203mm Bike Disc Brake Mount IS/PM Adapter Road Mountain fit Shimano
