A few weeks ago, a member of Classic & Vintage sub-forum on www.bikeforums.net started a thread about a set of wheels he had recently picked up. Mounted to the rear hub was this severely rusted Regina CX 7 speed freewheel. Yes, that is rust, not caked on road grime, oil, and dirt. He also noted the FW made a loud clunking sound.
I sent him my Regina tool in order to remove the FW and send it in for the Full Spa Treatment. It arrived about two weeks ago, and I could not believe how bad this FW had been neglected! Every cog had about a .5mm layer of rust. Obviously it had lived near the ocean. It was sad, but I was not deterred.
A liberal dose of penetrating oil was applied to the cogs and retaining ring. I repeated this about 4-5 times. Eventually, the cogs started to loosen in their threads.
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The Spa Meister
In my normal life I'm a pastor, really, a husband, and a dad. In my spare time I ride and wrench bikes. Freewheel Spa might be a good way to contribute to Soc Sec!