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
REAR 26 x1.75 (559-21) RIM FLIP FLOP FIXIE BIKE WHL SEALED HUB MTB CONVERSIONS | eBay
X-Speed Fixie Flip-Flop Track Wheelset – City Grounds