Bicycle Flat Mount Disc Brakes Adapter Front 140/160mm For Fm Calliper

1 x Disc Brake Adapter. Rear adapter: 57 13.1 10.5mm. Front adapter: 83 12.5 7mm. Material: Aluminum alloy. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.