BMX Racing Group - We developed the 120mm Disc adapter to use smaller disc' on the Chase RSP & ACT frames with Shimano disc brakes, but on some brake/ bike/hub set ups, 120mm
Rise of the Disc Brake - Fifteen
Is It Time To Go Disc? - Supercross BMX
TNT Rapid Fire Cassette BMX Disc Brake Hub - 36h - 3/8" axle - Blue - BMXGuru.com / C&W Cycle
You can easily add a Disc Brake Adapter to any XLC Wheel! BMX RACING GROUP %
How to install Elevn Disc Brake Mount for CHASE ACT 1.0 and RSP 4.0 BMX RACING GROUP %