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.  All of the Corsa cogs thread on to the body. Frank's 4th cog would not come loose. But all the parts cleaned nicely.  Side view of body showing the threads for each cog. The two largest cogs thread on from the back of the body.  The pawls and springs cleaned and ready for 10,000 more miles of service.  Bearings greased, pawls oiled, springs installed, and ready for reassembly. Frank will be pleased. His Regina Corsa has at least 10,000 miles or 10 years before another Spa Treatment is needed.
22 Comments
Cary
3/4/2012 06:27:15 am
Thank you for taking the trouble to present such a nice pictorial on freewheel disassembly! After awhile, that's the only way to get the road grit out. Best Regards, Cary
Pastor Bob
3/5/2012 01:43:41 am
Carey, Thanks for your comment. I hope to put up more pictorial self helps in the near future. For now I'm spending too much time riding and wrenching my other bikes!
Captain Blight
8/29/2012 02:47:46 pm
If memory serves, I believe I remember reading that on *some* Regina freewheels, the 4th cog was reverse-threaded. I don't know how many of these you deal with, but the next time one comes your way, try twisting the other way and see what happens. 8/29/2012 11:58:56 pm
Captain B, 10/3/2012 08:41:39 pm
I had no idea it was so easy to create a free blog here at Weebly, thanks.
Pastor Bob
10/3/2012 09:09:52 pm
I'm delighted I could inspire. Glad you found me. Best of luck on your blog.
Alex
6/9/2015 05:58:08 pm
Have you counted and recorded or have knowledge of how many ball bearings Regina Corsa has in each bearing group? I think mine has some missing, but I can't tell you the numbers of the top of my head as I am not near the bike... Thanks 5/13/2021 07:27:19 am
Counting up from the photos here confirms my Regina G. S. Corsa ball count.
Bob
5/31/2016 03:12:43 pm
Just commenting that it looks like this type Freewheel has an"always attached" center cog (???) Looks like an OK design -- but you would always be stuck with that cog in center area? 8/7/2016 10:41:44 pm
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This is a nice post about regina corsa for frank the welder. this post has really helps me to learn something new. So thanks for sharing such a awesome post with us. 10/21/2017 03:50:10 am
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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! Archives
June 2012
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