Description Shimano Disc Brake Adaptors For 74mm caliper on 74mm fork, using 180mm rotor Includes surface-treated washers (Shimano part no.Y8LF12000) to prevent corrosion when used with XTR BR-M987 magnesium calipers Includes mounting hardware Brake Caliper Type: Post Mount Mount | Rotor Size : 160 Post | 180 Rotor
