Thank you for sharing pictures of your Bomba.  A fine bike!

On Apr 18, 12:30 pm, Eduardo Rosas <[email protected]> wrote:
> Wish I would have seen you, I would have stopped by to talk for sure!
> I was so tired of seeing the same old spec/rek/avelos, The funny thing
> is that they all think their are so cool with the same bike, Mine
> stuck out for sure.  I didn't get the complete cold shoulder but only
> 3/4 people talked to me about the bike (1 from SF rando group, who was
> on a carbon as well).
>
> Hope you still had a fun time, I know I enjoyed myself.  I didn't
> finish in their time limit (whatever, I finished, which was my
> goal!).  It was my first century and I'm not looking for more any time
> soon.  I'd much rather run to Santa Cruz for the weekend than have to
> leave at a certain time, stop at their rest stops and finish when they
> tell me.
>
> Pic of my rivish surlyhttp://tinyurl.com/y2byxqm
>
> --E
>
> It's a rivish Surly.  I was actually
> On Apr 18, 11:56 am, CycloFiend <[email protected]> wrote:
>
>
>
>
>
> > on 4/17/10 10:49 PM, Rene Sterental at [email protected] wrote:
>
> > > Going a bit fast on downhill slopes, about 16 mph, removing the hands 
> > > from the
> > > bars caused a shimmy. It was kind of a low frequency shimmy, gentle but
> > > steady. The bike kept going straight, but with the shimmy. I have a Chris 
> > > King
> > > headset; is it perhaps a little tight? Read somewhere that someone fixed 
> > > that
> > > problem by loosening their headset a bit.
>
> > The fix I'm familiar with is actually the opposite - either slightly
> > tightening the headset or using super heavy grease (like boat trailer
> > bearing grease) in a loose-ball headset to slow down the response.
>
> > Bear in mind that there are a _lot_ of variables in the shimmy equation -
> > fore/aft weight distribution, friction into the tires, tire pressure, load
> > positioning, weight, etc - I would see if you can replicate it again before
> > trying anything.
>
> > > The bike creaks constantly; there is some creaking when coasting, but I 
> > > cannot
> > > associate it with anything in particular. Perhaps the Berthoud fenders,
> > > perhaps the BB. Then, when pedaling with my hands on the hoods, there was 
> > > a
> > > regular loud creak that towards the end I could replicate when stopped by
> > > twisting on the handlebars. Both of my stem bolts are as tight as I can
> > > tighten them by hand. This creaking superimposed on the rolling creaks as 
> > > well
> > > and created a cacophony (in my ears) that seemed to get worse towards the 
> > > end
> > > of the ride. Specially if I was pedaling harder or uphill.
>
> > Creaks are crazy-making issues.
>
> > Basically, remove the bolts, grease the surfaces, reinstall.
>
> > Repeat until isolated.
>
> > However, I will say that you might not want things "as tight as (you) can
> > tighten them by hand".  If you have a good bicycle mechanic nearby, you
> > might pay for a half hour of their time (burrito and beer?) and have them
> > show you how tight a properly torqued bolt should be.
>
> > With greased threads (and threads are _always_ greased), it doesn't take
> > everything you've got. It is very helpful to develop the "feel", and that
> > comes from practice.  (And I will say that if you don't get the 'feel'
> > thing, be honest and get a torque wrench with inch-pound increments.)
>
> > Squeaks are notoriously hard to locate while riding. Having someone
> > alongside listening can help.
>
> > Now, specific to your complaint:
>
> > If you were just sitting and coasting and creaking:
>
> > Saddle itself (silicone spray at the metal/leather interfaces)
> > Saddle to rail connection (bolt threads, thin grease on rails)
> > Hubs, freehub/freewheel, wheels not properly seated in dropouts
>
> > Since you can replicate it by torquing the bars, I'd pull and regrease the
> > stem, then the bars.  It could also be a cable housing tip.
>
> > If it's happening with a pedal stroke, then I'd suspect in order - pedals,
> > pedal/crank threads, crank/spindle interface, bottom bracket threads.
>
> > Hope that is of some help,
>
> > - Jim
>
> > --
> > Jim Edgar
> > [email protected]
>
> > Cyclofiend Bicycle Photo Galleries -http://www.cyclofiend.com
> > Current Classics - Cross Bikes
> > Singlespeed - Working Bikes
> > Workshops of the iBob's
>
> > Send In Your Photos! - Here's how:http://www.cyclofiend.com/guidelines
>
> > "My nighttime attitude is anyone can run you down and get away with it.
> > That's why I don't even own a bike light or one of those godawful reflective
> > suits.  Because if you've put yourself in a position where someone has to
> > see you in order for you to be safe...you've already blown it."
> > -- Neal Stephenson, "Zodiac"
>
> > --
> > You received this message because you are subscribed to the Google Groups 
> > "RBW Owners Bunch" group.
> > To post to this group, send email to [email protected].
> > To unsubscribe from this group, send email to 
> > [email protected].
> > For more options, visit this group 
> > athttp://groups.google.com/group/rbw-owners-bunch?hl=en.
>
> --
> You received this message because you are subscribed to the Google Groups 
> "RBW Owners Bunch" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to 
> [email protected].
> For more options, visit this group 
> athttp://groups.google.com/group/rbw-owners-bunch?hl=en.

-- 
You received this message because you are subscribed to the Google Groups "RBW 
Owners Bunch" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/rbw-owners-bunch?hl=en.

Reply via email to