On Nov 21, 12:51 am, Paul Cooley <[EMAIL PROTECTED]> wrote:

> The light flickers, or maybe
> pulses might be a better word, at speeds between 8.2 and 8.7 mph.

We have 2 of the S6 bottles. I've noticed the flickering from time to
time. I have variously ascribed it to incorrect positioning of the
roller relative to the wheel (my son's big foot hits the bottle once
in a while and it needs re-setting), tire alignment (the sidewall is
imperfect) and so forth... My latest thinking involves the roller
"washer" itself. The originals for both units wore away quite a while
ago and I've been replacing them with $.69 hot water hose washers from
the hardware store. They work rather well, but when they are newly
installed, the surface may not grip well (too slick) and the lack of
precise "roundness" may not produce a steady light. Which is to
suggest the washer's surface precision in some fashion, might be your
issue.

I've found that some of the washers I buy are better than others. I
cannot discern whether or not one will work perfectly from the get-go
until I install it. Fortunately almost all of the ones I've installed
so far, work quite well though most need a brief break-in period. The
break in period is when the light flickers occasionally.

I would recommend you try these washers. At $.69, it's not a big deal.
I bought an assortment to determine which level of firmness and
surface smoothness worked best for our tire walls. Once I settled on a
washer (using plastic ones now) I find I am replacing them on my son's
bike every 6-7 weeks or so. He uses the bottle 4 evenings a week for
commuting.

Will


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