![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)
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 : Shimano SM-MAR203 Rear Post Mount Adapter (Black, 203mm) : Bike Brake Mounts And Adapters : Sports & Outdoors Amazon.com : Shimano SM-MAR203 Rear Post Mount Adapter (Black, 203mm) : Bike Brake Mounts And Adapters : Sports & Outdoors](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/513HSH35BKL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Shimano SM-MAR203 Rear Post Mount Adapter (Black, 203mm) : Bike Brake Mounts And Adapters : Sports & Outdoors
![Amazon.com : SHIMANO Front 203 Rotor, I.S. Caliper to I.S. Fork : Bike Brake Mounts And Adapters : Sports & Outdoors Amazon.com : SHIMANO Front 203 Rotor, I.S. Caliper to I.S. Fork : Bike Brake Mounts And Adapters : Sports & Outdoors](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41HhreltY+L._AC_UF1000,1000_QL80_.jpg)
Amazon.com : SHIMANO Front 203 Rotor, I.S. Caliper to I.S. Fork : 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)