So in theory the only reason why the freewheel threaded are is so wide is for ease of manufacturing. There's no actual need for such a wide foot on the sprocket.
@O'Shane started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
So in theory the only reason why the freewheel threaded are is so wide is for ease of manufacturing. There's no actual need for such a wide foot on the sprocket.