I got some good experience with the S and S coupler system this weekend. These things seem like they've been around forever but this is the first time I've actually used them. There isn't that much to them but I always enjoy learning new stuff so I'm glad to finally work with them. The hardest part for me is getting that little spring-like retainer ring on and off. I didn't even shoot a picture of it but I'll try to get one here shortly. Everything else just boils down to a couple of precise measurements and cleanup work. There is actually an extra tube shown here because when I placed the original order I ordered a 1 3/8" for the down tube and a 1 1/8" for the top. I forgot that I was using a 1 1/4" top tube on this frame, so I ended up with an extra to practice with. I'm already planning another frame to use it on.
Here is a quick shot of the retaining ring. Its basically just like a key-ring and I've found that the best way to put it on is basically just like putting a tire on a rim, put a small portion on and then just work your way around slowly until it snaps into place. After doing it a couple times and getting comfortable its not bad at all.
Actually what I should've said, is that there isn't much to installing them. I'm not a machinist but I imagine the process of making them has a bit of complexity. I would love to watch them being made as they're very well thought out and beautifully machined. I never gave them much thought in the past however after working with them I realize how invaluble they are.
This is actually just the mock-up coupling that they give you so you don't scratch up the main stainless lock nut. Since I was cleaning up the lugs I decided to go ahead and put a little shine on this coupling as well. Once I started shining everything up I didn't want to stop.
The main coupling of course.
Once I get these tacked in place I can start a little fillet-brazing. Back to work.
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