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.

This version is compatible with specific sliding plate dropouts with inserts. Please see the compatibility section for more details.

FEATURES

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

Product Manual

COMPATIBILITY

• Box Three Pro Disc Hub
• Box Three Brake Caliper
• Box Three 140mm Disc Brake Rotor
• ALL Box Brake Levers
• Box Linear Brake Cables

ADAPTER SPECIFICATIONS

• Post Mount Caliper Compatibility
• 140mm Brake Rotor Only
• 6061-T6 Aluminum
• Dropout With Insert – 65g
• Fits 3 – 10mm hubs (See Compatibility Below)
• 150lb Rider Weight Limit