Shimano SM-MA90-F203P/PM Disc Brake Adaptor - 180mm Post Mount Fork/Frame to 203mm Disc Brake Rotor

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