Shimano R203P/S Disc Brake Adaptor for 203mm Rotor, 74mm Caliper, 51mm – The Path Bike Shop
180mm to 203mm rotors. Bought the shimano adapter for 203mm but the rotor won't fit into the caliper. Seems like I need even more of a gap to get the rotor to
Shimano Disc Brake Adapter - Fanatik Bike Co.
Shimano Post Mount Brake Adaptor
Reverse Disc Brake Adapter, IS-PM 203 Rear, Shimano, Green - Modern Bike
Shimano XTR F203P/P Disc Brake Adaptor | Jenson USA