The Box One Disc Brake Adapter is designed to improve braking control on frames where disc brakes were not standard. Compatible with 2 types of dropouts and 3-10mm hubs, the Box Disc Brake Adapter goes over your hubs axle and mates with the frames dropout in the right configurations allowing mounting of a standard post mount disc brake caliper.

Please note this product is NOT universally compatible. We strongly recommend reading the Compatibility and Installation instructions for details before purchasing.

FEATURES
– 3-10mm hub
– 6061-T6 aluminum
– 140mm Brake Rotor Only
– Post Mount Caliper Compatibility
– 150lb Rider Weight Limit