General description 10X Disc Brake Caliper Adapter is designed to adapt IS (International Standard) interface forks or frames to PM (Post Mount) interface calipers. This adapter is suitable for various disc brake systems, including those from Avid. It allows for the mounting of a 180mm rotor on the front fork and a 160mm rotor on the rear frame. Technical specifications Material: Aluminum alloy Screw Material: Steel Color: Black Size: 84.4 x 10 mm Package Contents: 10 x Conversion Block, 20 x Screws Measurement allowed error: +/- 1-3 cm Other information Bolts are supplied with the adapter. Note: Shooting light and different displays may cause the color of the item to differ slightly from the real thing.