Free Shipping on Orders Over $100*

BOX One BMX Disc Brake Adapter - Sliding Plate Dropout, 10mm, For Post Mount Calipers

Find it for less? Click here for our Lowest Price Guarantee!


The Box Disc Brake Adapter is designed to help improve braking control on frames where disc brakes were not standard. It goes over your hub’s axle and mates with the frame’s dropout, allowing mounting of a standard post mount disc brake caliper.