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
Amazon.com : AEcreative 20mm Post Mount Adapter for 180mm 200mm 203mm disc Rotor Brake Caliper 74mm PM Mountain Bike Fork Bicycle Frame : Sports & Outdoors
Shimano 160 To 203 Adapter Shop, SAVE 40% - highlandske.com
Magura QM42 Adaptor for a 203mm Rotor on 160mm Post Mounts | Part # | Worldwide Cyclery