Description: Because of its fine workmanship and durable feature, our disc brake adapter has long life span. Featuring high hardness and anti-slip, our disc brake adapter can stop your bike immediately, and will not let your bike coast for a long distance. This disc brake adapter is made of aluminum alloy. There are 2 sizes of the product to choose from: A, B. The type A (standard PM-PM-F/R203 adapter) is suitable for A-pillar front fork and A-pillar frame, and the type B (standard PM-IS-R203 adapter) is suitable for behind B-pillar frame Item Name: Disc Brake Adapter Material: Aluminum Alloy Size Details: A Center Distance of Mounting Hole: 7.35cm/2.89" (Approx.) B Center Distance of Mounting Hole: 5.1cm/2.01" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Application: Type A (standard PM-PM-F/R203 adapter) is suitable for A-pillar front fork and A-pillar frame. Type B (standard PM-IS-R203 adapter) is suitable for behind B-pillar frame. Package Includes: 1 x Adapter 2 x Screw 4 x Washer