In search of Technomic styled Stem for 21.1 Schwinn fork
09-30-20, 11:55 AM
#1
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In search of Technomic styled Stem for 21.1 Schwinn fork
I would like a tall , short reach, stem for one of my old Super Sports. Have seen the chrome steel ones and would like something a bit less clunky looking.
So, Anyone know of a Nitto Technomic “styled” stem that would fit the 21.1 I.D. Fork?
thanks
So, Anyone know of a Nitto Technomic “styled” stem that would fit the 21.1 I.D. Fork?
thanks
09-30-20, 12:05 PM
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09-30-20, 10:06 PM
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You can have a stem turned from 22.2 to 21.15/.833 to fit. I've had seatposts and quill adaptors turned down. Find a local machine shop and ask. You might have to hand file the steel wedge. Price was under $20 each time for me from different vendors.
10-01-20, 06:06 AM
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I bought a Kalloy with a long 21.1 chrome stem and ashort reach, 50mm or so, aluminum head a couple years ago. It was actually nice looking, you might see what they offer. Have you checked Origin 8 or Velo Orange?
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10-01-20, 09:15 AM
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There might be more offerings in the "BMX" stem category than looking for road bike stems. I once tried to turn down a quill in a lathe and that was an adventure! Probably would not have been if I'd ever turned something "unbalanced" before, but the L-shape made it tricky while spinning. Learned to put day-glo tape on the bar-clamp end after I got whacked one time!
10-01-20, 09:26 AM
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Or you can do it yourself. I've done it with a bench grinder. I didn't know at the time that aluminum dust is dangerous, so next time, I will do it outside and make sure to handle the dust properly.
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10-01-20, 09:37 AM
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Some will also say grinding aluminum is bad/dangerous for the grinding wheel, too (besides the AL dust) but I never knew that the hundreds of times I ground something made of AL alloy. It sure does tend to clog the wheels so have to "dress" the surface much more frequently. When using a metal file on AL I learned to apply chalk to the file first to prevent clogging/loading, but that was also learned late in my "shop career".
10-01-20, 11:47 AM
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Thanks for that chalk tip. I didn't know, so I found this article.
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10-01-20, 05:58 PM
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Since the OD is the same, it's just the steerer tube walls are thicker, it seems pretty safe to hone the steerer tube to 22.2 mm, so you can use normal stems. If the tubing was used in 22.2 mm forks, it should be equally strong and safe, no?
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