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From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: Bleeding Disc's
Date: Sun, 23 Mar 2025 09:54:50 -0500
Organization: Yellow Jersey, Ltd.
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On 3/23/2025 1:40 AM, Roger Merriman wrote:
> zen cycle <funkmasterxx@hotmail.com> wrote:
>> On 3/22/2025 6:42 PM, Jeff Liebermann wrote:
>>> On Sat, 22 Mar 2025 21:54:48 GMT, cyclintom <cyclintom@yahoo.com>
>>> wrote:
>>>
>>>> When I ride across cobblestones with 28's it is like hitting the brakes.
>>>
>>> Where did you find a cobblestone road in the San Francisco east bay
>>> region?  I've never seen such a road, much less ridden on one.
>>
>> He hasn't. He's lying as usual.
>>
> 
> Older bits of the docks etc aren’t cobbled? From the Tower in London
> downstream get progressively newer dock land areas which largely are
> cobbles and are thus in places quite touristy and used for filming and so
> on.
> 
> But San Francisco is old enough for some of that? Though maybe did and gone
> as guess?
> 
> Roger Merriman
> 

Probably, but how would one know?

Paving stone, baked brick or cobbles are normally just 
overlaid with asphalt. As are many Roman stone roads. One 
sees the original remnants during excavation work or 
trenching but otherwise not.

-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971