The threading for fixed sprockets and freewheels is the same so yeah, you could easily change it - just remove sprocket and lockring, thread on freewheel.
(The main thread is a bit narrower than on a dedicated free hub, but loads of people have done this and it's fine)
The threading for fixed sprockets and freewheels is the same so yeah, you could easily change it - just remove sprocket and lockring, thread on freewheel.
(The main thread is a bit narrower than on a dedicated free hub, but loads of people have done this and it's fine)