11.5" / 292mm diameter. Floating. Red powder coated carrier. 56.3mm I.D.; 10mm (3/8") counterbored mounting holes. 3.25" bolt circle mount holes. Mount style ''B''. Brake rotors are manufactured from a special stainless steel alloy and are heat treated. This offers an excellent braking capability with high wear resistance. The material is laser-cut for perfect precision and cross-grind for a perfectly flat surface. Note: With approval. Check your local MCS dealer or the MCS sales department for exact type of approval and validity on bike model and years on the test report. - Manufactured in OEM quality - Perforated braking surface for reduced noise and good responsiveness- Extremely heat resistant; offering stable braking performance under all conditions- High responsiveness due to increased brake grip- Optimized for OEM; accessory and radial calipers- High-strength stainless steel inner part for increased durability with minimized distortion and fading - Powder coated inner carrier - Suitable for all common brake padsOEM replacement reference 41797-00.