Product Detail 產品詳情 - Bicycle Cluster

Braking System Disc Brake Caliper Adapter

ADP-PM1622

Mr. Control (Fouriers)

Post mount disc brake adapter . Adapter for 160mm to 220mm disc rotor. POST MOUNT: 74mm

https://www.mrcontrol-bike.com/product_d.php?lang=en&tb=1&id=4251