Supercross BMX | Pro Frame Adapters - 15mm - 3/8" (10mm)
$ 24.95
These Pro Frame Adapters allow you to convert any 15mm frame to accept a traditional 3/8" (10mm ) axle.
These are the Round version of the Adapter that are sold in pairs and easily slide into your rear drop outs.
These are the same ones that come stock with every Supercross BMX ENVY RS7 Race Frame.
CNC'd from 7075 Billet Aluminum - Light and Strong.
Available in Black Anodized Finish only.
Race calendar
Never miss a USABMX national
Add the 2026 USABMX national race schedule to your calendar with one click. Built by Supercross BMX so racers, parents, and fans can keep every national weekend in one place.
Dates are based on the official USABMX national schedule and may be updated if changes are announced. This calendar is a fan/racer convenience tool from Supercross BMX and is not an official USABMX calendar.