![Amazon.com : SHIMANO R203P/S Disc Brake Adaptor : Bike Brake Mounts And Adapters : Sports & Outdoors Amazon.com : SHIMANO R203P/S Disc Brake Adaptor : Bike Brake Mounts And Adapters : Sports & Outdoors](https://m.media-amazon.com/images/I/31fqjqNUrtL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : SHIMANO R203P/S Disc Brake Adaptor : Bike Brake Mounts And Adapters : Sports & Outdoors
![Shimano Shimano - SM-MA-F203S/P - Disc Brake Mount Adapter - 203mm - Front - I.S./Post (ISMMAF203SPA) | Cartersville Bicycle Service & Supply Shimano Shimano - SM-MA-F203S/P - Disc Brake Mount Adapter - 203mm - Front - I.S./Post (ISMMAF203SPA) | Cartersville Bicycle Service & Supply](https://cdn.shoplightspeed.com/shops/657022/files/42445462/image.jpg)
Shimano Shimano - SM-MA-F203S/P - Disc Brake Mount Adapter - 203mm - Front - I.S./Post (ISMMAF203SPA) | Cartersville Bicycle Service & Supply
![Shimano Disc Brake Adapters (Black) (For IS Caliper) (F203S/S) (IS to IS) ( 203mm Front) - Performance Bicycle Shimano Disc Brake Adapters (Black) (For IS Caliper) (F203S/S) (IS to IS) ( 203mm Front) - Performance Bicycle](https://images.performancebike.com/images/large/bikes/shimano/ismmaf203ssa.jpg)
Shimano Disc Brake Adapters (Black) (For IS Caliper) (F203S/S) (IS to IS) ( 203mm Front) - Performance Bicycle
![Shimano Shimano - SM-MA-F203S/S - Disc Brake Mount Adapter - 203mm - Front - I.S./I.S. (ISMMAF203SSA) | Cartersville Bicycle Service & Supply Shimano Shimano - SM-MA-F203S/S - Disc Brake Mount Adapter - 203mm - Front - I.S./I.S. (ISMMAF203SSA) | Cartersville Bicycle Service & Supply](https://cdn.shoplightspeed.com/shops/657022/files/42446555/image.jpg)
Shimano Shimano - SM-MA-F203S/S - Disc Brake Mount Adapter - 203mm - Front - I.S./I.S. (ISMMAF203SSA) | Cartersville Bicycle Service & Supply
![Shimano SM-MA-F203P/P Bike Disc Brake Rotors Front Rear PM 203mm Caliper Adapter 192236744862 | eBay Shimano SM-MA-F203P/P Bike Disc Brake Rotors Front Rear PM 203mm Caliper Adapter 192236744862 | eBay](https://i.ebayimg.com/images/g/hxgAAOSwZAJisERE/s-l1600.jpg)
Shimano SM-MA-F203P/P Bike Disc Brake Rotors Front Rear PM 203mm Caliper Adapter 192236744862 | eBay
![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 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](https://preview.redd.it/lpq5dxjdave51.jpg?auto=webp&s=61b36da12dd24d78fa8869590fbe19f15d1a0f17)