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From: zen cycle <funkmasterxx@hotmail.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Vibrational Analysis
Date: Wed, 23 Jul 2025 06:08:24 -0400
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On 7/22/2025 8:19 AM, Roger Merriman wrote:
> zen cycle <funkmasterxx@hotmail.com> wrote:
>>
>> https://www.pinkbike.com/news/doing-science-the-vibration-damping-of-8-handlebars.html
>>
>> ISTM there is one other rather relevant factor that wasn't accounted for
>> as well - load on the bar. There was no mention of how much weight the
>> rider was placing on the bar on each test. It's likely it was rather
>> similar, but even a small variation in the weight on the bar may have
>> had a significant effect on any resonances.
>>
>> so
>>
>> "Was it perfect science? No. Was it nerdy, illuminating, and deeply
>> satisfying to test product claims with actual data? Absolutely."
>>
>> meh.....
>>
> Interesting (sorta) that they could at least detect a difference. 

not surprising. We've used accelerometers for our own vibration testing 
with exceptional resolution and sensitivity. Id suggest the they're far 
more senstive than your average human such that quantifiable results are 
well below what you or I could detect.

> The new
> Gravel bike is Revolt though frameset which I’m getting built up, as I’m
> moving or rather the bike shop the groupset and wheelset from one frame to
> another.

Post some pictures after it's finished! Preferable after a soggy gravel 
ride! You might want to block tommy before you do that though - he won't 
have anything nice to say.

> 
> Comes with a their D-fuse seat post and decided that was worth getting the
> Ali D-fuse bar/stem the cost jump to carbon didn’t though make sense vs any
> improvements in compliance.
> 
> Be interesting to see how much I can tell noting that the new Gravel bike
> will have a much larger tyre clearance while I’m not maxing the tyre
> clearances 50mm vs 35mm will more than double the tyre volume.
> 
> Clearly will still be rattling on some areas, even the full squish MTB get
> rattled about in some places, and while I’m younger than most on here, I do
> remember 90’s MTB with similar ish volumes, as 26in 2.1 tyres are more or
> less same volume.
> 
> But be interesting what I will be able to detect and which bit as you were!
> 
> Roger Merriman