1

I've recently acquired a retro steel bike which needs some work. Has anyone ever seen a freewheel with this type of locking system? I haven't been able to find any tool which seems like it would be designed to open it. Note the splines are opposite from a normal lockring (ie: small gaps on the outside). I've heard some older freewheel bikes have 'unremovable' freewheels- is this perhaps one of them? There are no identifying marks or brand logos.

Freewheel

(https://i.stack.imgur.com/pcbXT.jpg)

4

Uniglide. Cassette, not freewheel. The small cog is the lockring. Remove with two chainwhips.

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