Road Bike Disc Brake 160mm Adapter, Ultralight Front/Rear Brake Mount Compatible with Shimano Dura-Ace R8170 & SRAM

The reviewer discusses the Road Bike Disc Brake 160mm Adapter as a lightweight upgrade. He notes that the standard aluminum adapters weigh 23g for the pair, while these skeletonized purple ones weigh only 10g, saving 13g. He describes them as a cool little upgrade that adds personality to the bike, and mentions they are super easy to fit and available in different colors.