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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30 Year Old Regina Corsa Receives the full Spa Treatment
Regina, Mallard, and European freewheels in general, are sort of a hit or miss experience. They can be a challenge to disassemble. Their cogs don't like to thread off the body, and the retaining ring tends to remain stuck tight. No matter how much the threads are soaked in penetrating oil, they like to stay together.
It was a real privilege to have Frank the Welder send me his Regina Corsa 5 speed for the full Spa Treatment. Frank is a legend in the MTB world and is a member of the Mountain Bike Hall of Fame. I was honored to see what I could do for his 30 year old freewheel he planned to use on a vintage Raleigh restoration.
Frank's freewheel could not have been more cooperative! All but one of the cogs threaded off! The retaining ring threaded off! Out came the bearings, the pawls and the springs. All the pieces went into the cleaner, and came out in great shape.
Frank will be pleased. His Regina Corsa has at least 10,000 miles or 10 years before another Spa Treatment is needed.
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!