Box One BMX Disc Brake Adapter - Standard 10mm Dropout
The Box One BMX Disc Brake Adapter allows a compatible frame with a standard 10mm dropout to accept a post mount disc brake caliper. It uses machined 6061-T6 aluminum and is designed for a 140mm rotor. Check frame and hub compatibility before fitting; this adapter is not universally compatible.
- Standard 10mm dropout version: BX-BA1-DAA10-BK
- 6061-T6 aluminum, extruded and CNC machined
- Post mount caliper and 140mm rotor compatibility
- Anodized finish with laser etched graphics
- Manufacturer rider weight limit: 150 lb
Shipping and Returns
Orders placed on greenroom.store ship from Southern California using UPS or USPS. Most orders arrive within 1-5 business days after they leave our store, depending on destination and carrier service.
Shipping is free on orders over $75. Orders under $75 ship for $7.95 unless a different rate is shown at checkout. Some oversized or special-handling items may show a size, weight, or destination-based rate before payment.
Returns are accepted within 30 days for new, unused, sellable items with tags attached and receipt or order number. Items damaged after sale are not eligible for return or exchange.
Sale, clearance, or final-sale items are not eligible for return unless required by law or unless the item arrives incorrect, damaged, or defective.
Customers are responsible for return shipping costs unless the item arrives damaged, defective, or incorrect. In those cases, we will cover the return shipping fee
To start a return, email customercare@greenroom.store