Product Detail 產品詳情 - Bicycle Cluster

Braking System Disc Brake Caliper Adapter

ADP-PM20-220

Mr. Control (Fouriers)

Post mount disc brake adapter. Adapter for 203mm to 220mm disc rotor. POST MOUNT: 74mm

https://www.mrcontrol-bike.com/product_d.php?lang=en&tb=1&id=4207