I want to lower the bars as far as possible, but it seems that the stem gets stuck after a point. I removed the fork (threaded 1") and it seems that the steerer tube get narrower after about 4" (10 cm) from the top. Is this normal? Is there a tool that would restore the inside diameter of the tube to what it is supposed to be (22.2 mm) for the whole length of tube?
I want to lower the bars as far as possible, but it seems that the> stem gets stuck after a point. I removed the fork (threaded 1") and> it seems that the steerer tube get narrower after about 4" (10 cm)> from the top. Is this normal? Is there a tool that would restore the> inside diameter of the tube to what it is supposed to be (22.2 mm)> for the whole length of tube?
Any reasonable steertube has greater wall thickness at the high stress junction with the fork crown. If this were not so, they would break easily from the bending loads of road shock and braking. Your steer tube is just fine, but I suspect you have a short one on a small frame, so there isn't much depth for a stem.
How much are you missing in your adjustment? There were "drop stems" (usually for track bicycles) whose reach angled down for such forks.
I want to lower the bars as far as possible, but it seems that the> stem gets stuck after a point. I removed the fork (threaded 1") and it> seems that the steerer tube get narrower after about 4" (10 cm) from> the top. Is this normal? Is there a tool that would restore the inside> diameter of the tube to what it is supposed to be (22.2 mm) for the> whole length of tube?
Quality bikes are built with butted steerers, 22.2mmID at the top and 21mmID at the bottom. Even not-so-expensive forks commonly have a brazed sleeve in the bottom 50~70mm of steerer. (That can be annoying on a small bike if the builder didn't proportionally trim the column)
There's no snappy solution other than a shorter quill or a downward-sloping stem
Donald Gillies 22 March 2005 01:43:12 [ permanent link ]
dimitris_stamatelos@yahoo.com (Dimitris) writes:
Hi everyone
I want to lower the bars as far as possible, but it seems that the>stem gets stuck after a point.
you need a track stem, maybe an older cinelli would work well (check ebay to find one.) A good one will get your bars below the top locknut of your fork. There is no need to try to manipulate your fork steering tube.
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