FROM OUTSIDE EDGE OF HUB TO BRAKE ROTOR DISC. FROM OUTSIDE EDGE OF HUB TO REAR SPROCKET. DISTANCE BETEEN BRAKE ROTOR DISC AND REAR SPROCKET.DIAMETER OF BRAKE ROTOR DISC. WHEEL MOUNTING DISTANCE OF THE WHEEL HUB (BOLT CENTRE TO BOLT CENTRE). This item is in the category "Vehicle Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Other Motorcycle & Scooter Parts & Accessories". The seller is "blygo_parts" and is located in this country: AU. This item can be shipped worldwide.