Stem Preparation: Difference between revisions
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Threadless headset systems require a nice sqare face to push against for proper function. Rarely is a cast or fabricated stem faced with any usable precision. You must do this yourself. Machined stems rarely require this treatement. | Threadless headset systems require a nice sqare face to push against for proper function. Rarely is a cast or fabricated stem faced with any usable precision. You must do this yourself. Machined stems rarely require this treatement. | ||
===How===A simple madrel is made to fit a 1" collet and the 1.125" stem. I prefre to do all work with a collet if I can.<br> | ===How=== | ||
A simple madrel is made to fit a 1" collet and the 1.125" stem. I prefre to do all work with a collet if I can.<br> | |||
[[Image:Stem face 1.jpg]]<br><br> | [[Image:Stem face 1.jpg]]<br><br> | ||
[[Image:Stem face 2.jpg]]<br><br> | [[Image:Stem face 2.jpg]]<br><br> | ||
Revision as of 20:34, 3 May 2007
Why
Threadless headset systems require a nice sqare face to push against for proper function. Rarely is a cast or fabricated stem faced with any usable precision. You must do this yourself. Machined stems rarely require this treatement.
How
A simple madrel is made to fit a 1" collet and the 1.125" stem. I prefre to do all work with a collet if I can.
Very carefully spin the stem on the lathe. Take as little metal off as needed to get a nice face.
Always bag and lable specially made tools. Years later the tool will be clean, in good shape, and clearly marked.
