Made a high riser stem as well . Used a unicrown fork blade ( that I messed up)
And a regular 7• stem
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Quite standard of a stem. Brazed in the top cap, made out of two washers and a short section of tubing. Welded the nut onto the bottom wedge as well. The bar clamp is tig welded, then fillet brazed over that because I trust my welding more than my brazing. Luckily, I found a set of 26.0 bars in my parts bin, though I was looking for an excuse to build a 1" quill with a 31.8 clamp.
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Hello there.
For now I made only two stems but I have to make more. I use 1.5mm wall thichness tubing for pivot and bars clamps wich I think is okay. If it helps it is 35x32mm for bar clamp and 32x1,84mm I turn down to 28,6id for steerer clamp. All 25cd4s from ulm techno. I have some 28x0.9mm tubing for the body. Is it good for you or should I go for 1.4mm wall wich is the second option from ulm techno ?
Plus what do you think about steel frame and carbon fork (with carbon steerer ofc).
I’m thinking about building a bike with the allygn mud fork.
Thanks !
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Do you use an adjustable reamer after brazing? Trying to get ideas on post braze reaming for these setups. Thanks Em!
Well I converted a quill stem to threadless once 
The new bit is just some black iron pipe that I got to the right ID on the minilathe, and then cut along where it was already welded.
It’s done quite a few miles now with no issues.
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A few months ago I made myself a mini bullmoose,
I used scraps of the top part of fork blades as main tubes for the triangle.
I’ve build it with a fork
for a Cannondale Beast of the East I rebuild as a bikepacking rig.
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Just finished one of my MX/Cook Bros themed stems. I wanted the same width as a normal MX triple tree as I plan to use moto bars to keep with the look. The risers are actual 7/8" moto clamps and the stem clamps are 1-1/8" collar clamps. I had aluminum plate cut out to see the weight difference. The steel plate is 3/16 and the aluminum is 1/4". Both have under braces for extra support. I’m happy with it and exactly the look i was going for. The next version will he more compact and maybe use a 31.8 clamp.
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Here’s the last stem I’ve build, it’s nothing crazy, besides that it was my first time using PMW stem plates (love their look).
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We love the look, too! Great job! - Coco
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