The Box Disc Brake Adapter is NOT compatible with all frames, and purchase/installation requires special attention to your frame’s dropouts for compatibility. We do not recommend composite frames for this adapter.
Sliding Plate Dropout - Found on many Thrill, Haro, DK and Stay Strong aluminum frames.
- Post Mount Caliper Compatibility
- Fits 140mm Brake Rotor Only
- 6061-T6 Aluminum
- Dropout With Insert - 65g
- Fits 3 - 10mm hubs (See Compatibility)
- 150lb Rider Weight Limit