Re: Factors affecting speed?

On Wed, 3 Dec 2003 10:23:19 -0500, David Kerber
<[EMAIL PROTECTED]> wrote:

>In article <[EMAIL PROTECTED]>, 
>[EMAIL PROTECTED] says...
>> On 03 Dec 2003 14:51:43 GMT, [EMAIL PROTECTED] (Pbwalther) wrote:
>> 
>> >>The other component I didn't think about is the friction in the chain
>> >>in the deraileur and sprockets. This may have even a greater
>> >>improvment and may have decreased my time by 10 seconds per mile.
>> <snipped>

>If your chain was really bad, it might have some effect, but pumping 
>up your tires, putting on a new one (higher pressure one?), and fixing 
>a rubbing brake would probably have a greater effect.

Right, which is why I gave that 20sec/mi and the chain thing 8sec/mi.

The most noticeable thing for me was the incredibly improved ease of
pedalling, which felt (in contrast) like it was almost all chain
lubing.

Parenthetically, I had never lubed the chain figuring that Walmart
would have already put grease on it - (the chain -had- been making
noises just prior to the lube job). Heck, maybe they didn't and I was
pedaling from Aug to Nov on an ungreased chain! ;-) 

The new tire comment might have been misleading. Just changed the
inner tube. And I know the rubbing was only slight, b/c I had it
looked at last month at the same LBS.

-B