Technical & Reference Section > Tech and Restoration

New school double clamp stem build

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griff:
Spen has/had a NS stem that looked a lot like that Clint
Was on his Knight Goose

pickle:
while i admire your inventive skills, i have to ask WHY?  ???

On a new school bike it will look awful (just my view of course) there are so many gorgeous new school stems about for around £40 which i'm sure yours will cost twice as much to produce?

oldschoolace:
Cheers Griff  :daumenhoch:

Just had a look and its quite interesting. I was worried that the double clamps would set the bars too high as they have to sit on top of the steerer clamp section but it looks fine on Spens   :)

It seems to toe in in this pic which looks a bit odd and i think it looks a bit clunky as the front half of the double clamps is thicker than the rear but its given me more inspiration to crack on with it  :daumenhoch:






Pickle, if we asked why every time someone tried something new we wouldn't be the great nation we are/once were   :daumenhoch:

oldschoolace:
Got some time over lunch to knock up a rough model to try the pinch principle. It was struggling to pull up until i cut the fine notch between the pinch slot and what would be the front mounting bolt hole for the stainless steel plate.




I think with the excess material removed it will pinch up fine but should i need to repeat the little notch it shouldn't affect the front bolt hole integrity or its thread.  :daumenhoch:

not johndub71:
What about inserting an half mood woodruffe type key, so as you tighten, the key is forced onto the head tube pulling the body of the stem onto the fork steerer?

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