PAIR FIXIE BIKE BLUE FLIP FLOP HUBS ALLOY FRONT & REAR SEALED BEARINGS FIXED COG | eBay
I want to swap my bike from fixed-gear to single-speed, but I don't think my rear wheel has a flip-flop hub. What do I need to buy to achieve this? : r/bikewrench
700c Fixed Fixie Single Speed Bike REAR Wheel Flip Flop Hub Freewheel | eBay
Flip Flop Hub: Fixed vs Freewheel the Battle Continues!