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PostPosted: Sat Aug 25, 2012 2:24 pm 
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Joined: Wed Feb 13, 2008 11:25 am
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Location: Adelaide, South Australia
Hi
My bike is quite 'firm' in the front end - Baum Corretto with Enve 2.0 fork, Vibe bars (alloy) and Deda Zero 100 stem - and every bump is transmitted fairly directly. (Getting a bit more sensitive as I get older).
I want to take the 'road buzz' out without resorting to a carbon bar. My bike will be doing some travelling so don't want to risk something damaging the bar in transit and only finding out when it fails and my face is kissing the road.
Was thinking about using the Enve stem - will match the bike and bars in the looks department really well - I know it is stiff but being carbon I was wondering whether it will take the edge off road bumps(?)
Anybody have a view?

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Posted: Sat Aug 25, 2012 2:24 pm 


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PostPosted: Sat Aug 25, 2012 3:02 pm 
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My experience is that it makes much less if any notable difference in the buzz compared to swapping to the carbon bar. Bigger tire, less air, bar tape (DSP 2.5mm) I find all make more of a difference. I am assuming your fit is well dialed in considering the quality of bike you ride (Okay, I am fully cognizant that this is a stupid thing to say, just trying to be respectful).


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PostPosted: Sat Aug 25, 2012 3:05 pm 
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Let some air out of your tires! Try 5 psi lower, then 10, then 15 and see what works.


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PostPosted: Sat Aug 25, 2012 3:19 pm 
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Tyre pressure is the "obvious" first point I'd be looking at...

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PostPosted: Sat Aug 25, 2012 3:46 pm 
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Tire pressure first.

Bar tape (experiment brands or double tape if you are that sensitive/riding crappy roads) second.

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PostPosted: Sat Aug 25, 2012 5:05 pm 
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There are ofcourse downsides to thick bar tape and low pressures, like the front end feeling very mushy, noodly and undistinctive thru turns. Killing the buzz with carbon bars, for most bars, doesn't have this downside.

If you are very sensitive, you will pick up on this.

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PostPosted: Sat Aug 25, 2012 6:27 pm 
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The difference will, most likely, be not even humanly detectable.


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PostPosted: Sat Aug 25, 2012 6:38 pm 
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25mm FMB Competition CX on some lowish profile rims. Now you're done. Like butta!

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PostPosted: Sat Aug 25, 2012 7:05 pm 
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I have a Baum Corretto. Mine is super comfortable - I'm 48yrs old. I think your best bet is to experiment with tires and pressure. I ride carbon rims with tubular tires. The bike rides very smoothly, even with 22mm tires.


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PostPosted: Sat Aug 25, 2012 7:49 pm 
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I ran a Ritchy WCS before going to an Enve stem. Road buzz, no difference, The Enve stem was noticeably stiffer. FYI they were both 110

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PostPosted: Sat Aug 25, 2012 8:14 pm 
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FWIW I run about 105-110 psi up front and double bar tape with alu bar and stem on a cervelo s1 and its comfy as anything


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PostPosted: Sat Aug 25, 2012 8:38 pm 
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I use double tape. The alternative is to use the Fizik gel pads. But for me the biggest difference is tyre pressure. I run 90 front, 100 rear. Any more than that and I find it compromises ride quality. Of course having nice tyres helps.


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PostPosted: Sat Aug 25, 2012 9:31 pm 
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Carbon bars make a substantial difference. Tires and their pressures do. Try some 25mm tires or some Vittoria Evo Corsa CX. Stem would make little difference.

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PostPosted: Sun Aug 26, 2012 1:38 am 
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Road imperfection are generally ok for me but not the road strips or small potholes. Avoid the big potholes as they can dangerous. So what road buzz are you trying to kill?

I am using deda zero alu stems and bars and my tyres and inner tube make the bigger difference for comfort. I'm running michelin pro3race and latex tube at 100psi. Sometimes it feels like I'm cycling on carpet. Btw I weigh 70kg for comparison.


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Posted: Sun Aug 26, 2012 1:38 am 


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PostPosted: Sun Aug 26, 2012 3:11 am 
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Location: Adelaide, South Australia
Thanks everyone - call me perceptive but I am guessing the consensus is no :D
Thankyou for your suggestions - this is really a last touch item for me - the frame is a custom geometry which was designed by Darren to take my upper body (and huge noggin) weight off my hands by moving the saddle behind the BB and elevating the front end subtlely compared to a stock frame so the fit and position have been considered.
I have concentrated on subtly tuning the bike for long distance riding over the mast 6 months with the aim of reducing fatigue - I am not a quick rider and for me the aim is to ride longer rather than quicker. The cockpit is really the final fine tuning.
I'm running low profile alloy wheels (ditched my 45mm carbon clinchers) with bigger tyres (using both 25C and 28C Schwalbe Ultremos), changed my saddle to a carbon rail version and fitted a Syntace P6 vibration suppressing seatpost. I swapped to the Pro bar beause the drop position is so much comfier than the Deda it replaced - would never have considered fitting a 290g bar to my bike in the past but things change.
I have a couple of carbon bars and found that the Zipp in particular really made a difference to ride quality - just trying to avoid a carbon bar for the reasons given. The Deda Pressa has far less difference - but then it is a pretty solid carbon bar.
The bike handles beautifully but was just looking for a little less directness in relation to feeling all of the road surface through the bars.
Will have a play around with some different bar tapes.
Many thanks for all suggestions

_________________
"Fashion is a form of ugliness so intolerable that we have to alter it every six months"
Oscar Wilde
2011 Baum Corretto
'72 Cinelli SC
'86 Giro Pinarello Team Issue
'58 Bianchi Tour De France (in bits)
2011 BMC Pro Machine 5.6kg
the 2014 project


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