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Who and why did somebody invent the 31.7 mm clamp diameter stem-Arrggh!

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Who and why did somebody invent the 31.7 mm clamp diameter stem-Arrggh!

Old 10-11-11, 12:03 AM
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Sincitycycler
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Who and why did somebody invent the 31.7 mm clamp diameter stem-Arrggh!

What is the benefit of a 31.7mm bar clamp? I have a steel bike with a 26.0mm bar clamp (1" steerer tube diameter) and I find that I am limited on the cool modern anatomical handlebars out there that seem to favor the 31.7mm stem.

Help me out here please?
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Old 10-11-11, 12:11 AM
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It's hard to find wooden wheels for a wagon now too.

Anyway, they sell shims to use 31.7mm stems on 26.0 for $10'ish. They went to a larger size originally for MTB where extra strength was wanted. Just made sense to propagate the standard I suppose.
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Old 10-11-11, 12:13 AM
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anatomical handlebars aren't that cool. I have a steel bike with a threadless steerer and 31.7 bars on it. You just need a shim for the stem
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Old 10-11-11, 12:23 AM
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Are you looking at a Deda bar?

They use a nominal size of 31.7 but it's really 31.8.
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Old 10-11-11, 12:24 AM
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Soma Hwy One or Origin 8 Pro Lite compact. If you're looking for one in 42cm, let me know. I might have a set for sale.
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Old 10-11-11, 01:23 AM
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Or, get an adapter that goes into the steerer tube with a quill, and then allows you to use the larger size stems, which then opens up a whole new world of handlebars (and stem lengths).

And unlike the 1-1/8 steerer, you don't need to cut -- just move the adapter up or down as you would a normal quill stem. Personally, I think it's quite an elegant solution.

Last edited by Rowan; 10-11-11 at 03:13 AM.
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