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Old 03-06-11, 05:37 PM   #1
irwin7638
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My new commuter/utility/city bike-Soma Buena Vista with Nuvinci hub

I finally got it together. "It" being the new mixte bike. Based on the Soma Buena Vista frame it's a mixte design made of Tange Prestige tubing. I wanted an IGH drivetrain and found that the new lighter weight Nuvinci hub provided what I .think is the best value on the market. Today was the first real ride I took on the finished bike and my immediate reaction is wow...OMG...wow!
The combination of the sporty geomety of the Soma frame, the 650b tires and the gearless Nuvinci hub have created a responsive, fast and light city bike which promises years of pleasurable bopping around town.
The bike is a compilation of parts I selected from Soma, Rivendell, Velo-Orange and the local LBS. Basically, everybody got into my pocket a little bit.
The first ride was like nothing I have ever experienced. The Nuvinci hub works so smoothly that there is never any break in pedaling cadence. It is an entirely intuitive experience, constantly adjusting, rather than shifting to meet the needs of the pedaling resistance. There is an indicator which serves no real practical purpose since there are no specific gears to indicate. I referred to it at stop signs to give me a starting point, but once moving, the adjustment is made entirely by feel.
There are a lot of components on this bike that I have never used and during the next few days my blog will include more detailed information on those and why, after 40 years of experience on city streets, I chose them.
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Old 03-06-11, 08:05 PM   #2
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Very nice! You've built yourself quite a unique and functional bike. One thing, though. That's a mighty tall tower of spacers on the steerer!
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Old 03-06-11, 08:48 PM   #3
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What is the maximum and minimum ratio with that hub?
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Old 03-07-11, 06:50 AM   #4
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What is the maximum and minimum ratio with that hub?
Honestly I don't remember. I checked it with sheldon's gear calculator before I ordered the cog and it was both lower and higher than the Nexus 8 speed.

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Old 03-07-11, 06:54 AM   #5
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Very nice! You've built yourself quite a unique and functional bike. One thing, though. That's a mighty tall tower of spacers on the steerer!
Yeah, I am still debating the steerer height. I want the handlebars above the saddle and am using albatross bars inverted so it's something I'll be working with in the next few weeks.

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Old 03-07-11, 08:25 AM   #6
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Love the bars but something weird about that many spacers.
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Old 03-07-11, 09:59 AM   #7
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Marc: A very interesting build. I'd be curious to know your impressions after you've got all the kinks worked out and put a few hundred miles on it. This is the kind of build I've been thinking about for a particular family member.
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Old 03-07-11, 11:46 AM   #8
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Marc: A very interesting build. I'd be curious to know your impressions after you've got all the kinks worked out and put a few hundred miles on it. This is the kind of build I've been thinking about for a particular family member.
I'll be reviewing the component choices during the next few days on my blog. I plan to take another look at it after monrh or so of tweaking.

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Old 03-08-11, 11:36 PM   #9
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It would never occur to me to build a mixte frame bike but, you know, it's kind of cool in a quirky sort of way. I kind of like it. Well done and I look forward to seeing more pics of it. (+1 on spacers).
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Old 03-09-11, 07:57 AM   #10
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Quirky?Relax, it's much worse than that!

http://simplecycle-marc.blogspot.com...and-mixte.html

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