Renthal Bar Brace

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Renthal Bar Brace
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Posted: Oct 12, 2019 at 11:38 Quote
Looking to fit my Hope bike lights to my bars, but my renthal fatbar 35 makes
this impossible, due to the clamp size on the Hope lights bar clamp being around 22mm,
I could however fit em near the brake, shifters but I want a central position for the lights.

The Renthal bar brace may be the answer in allowing a clamp on point centrally.
Being a motor bike marketed component its not to dissimilar that it couldn't
be used with mountain bikes, size depending of course.

So, as far as I can figure, the Renthal bar brace is aprox 225mm and centre to centre
of bar clamps is aprox 250mm when laid flat ( going by the info on a website selling this )
which is damn close when I measure my Renthal 35 fatbar.

My question is, has anyone done this with a Renthal brace and if so how did it go with there given handle bar.


Posted: Oct 12, 2019 at 15:25 Quote
The trouble with bar braces is that they usually creak as the bar flexes.
You used to be able to buy bars with braces in the early 2000s but the creaking stopped that trend.

Posted: Oct 12, 2019 at 17:32 Quote
Just get something like this. You could probably modify it to clamp your 35 mm bar or just clamp it as widely as possible and miss most of the central bulge. Then give me the $50 I saved you.

If that doesn't work, maybe this would work.

Posted: Oct 13, 2019 at 4:46 Quote
Good point on the bars creaking with brace, didn't think of that,
would also annoy the hell out of me.

Interesting options there, thanks.

Another reason on my considering the bar brace, was the
option for carrying loads, such as sleeping bags and the like,
as I do bike packing from time to time , lashing things to the bars
always seemed a bit slow and messy, but yeh the creaking.

So something with a 35mm clamp size that can fix to the
lower portion of the bar so as not to interfere with the flexing of
the upper bend of the bars.

Posted: Oct 13, 2019 at 4:55 Quote
The product in the first link I sent ought to work if you set the clamps wide enough to avoid the largest part of the bar. Looks like it should be able to handle a few pounds of load from bikepacking gear.

Posted: Oct 13, 2019 at 5:31 Quote
Yeh I looked at that, however, its only for 25mm and 31.8mm diameter bars,
and not much meat to the clamp to even allow opening up the clamp size,
with say a hole saw or machine tool to increase the hole size.

I get your meaning by bringing the clamps further out and clamping to the
smaller part of the bar, but now it becomes like the brace and may cause creaking
issues, though at that cost it will be a plan B to try out and see.

Its general design would work to my needs if it was available with a 35mm bar
clamp size. The connecting bar could even be switched out for something stronger
if need be as its just a straight bar clamped in.

My bars are Renthal fatbar 35 in 40mm rise.

Posted: Oct 13, 2019 at 7:21 Quote
The reason I'm thinking it won't creak is because there appears to be plastic or rubber under the bar clamp; it's just not intended to be as rigid as a structural brace. The soft materials should accommodate the flex.

Posted: Oct 13, 2019 at 7:37 Quote
Thought it was more for taking up the size change, ie as a shim
when switching from 25 to 31.8, but right enough the rubber
would eliminate the potential creak.

Posted: Oct 13, 2019 at 12:29 Quote
Yes, one of the shims is to accommodate different bar sizes, but it looks like there's still a shim in place with the 31.8 mm bar; I assume this is to avoid scratching the bar and/or to accommodate the taper at the bulge, if present on a particular mounting configuration.

In any case, yes, I assume the shim(s) will reduce the chance of creaking at more rigid junctions in the product.

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