Goped Hoverboard, 6.5" DM rim + freewheel + rear brake
I used a 4130 Chromoly Tube 1-5/8" OD, 0.120" Wall with CNC
I grinded bids and painted.
Front fork with Magura caliper
I used a freewheel parts which were made by Pyunghwa.
Pyunghwa made above parts
ADA hub + Pyunghwa freewheel part with CNC work
Rear brake + freewheel