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They've been dicking around with the website.

Try here: http://content.met.police.uk/Site/roadsafelondon

If anyone cycles in Surrey and Sussex there are similar sites to report incidents at the following links.
https://my.surrey.police.uk/reportonline/mDriveSmart.aspx?category=Anti-social_Driving
http://www.operationcrackdown.org/

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My fav comment on that vid:

:)
Other comments from people who travel in cars a lot.
41mph isn't that fast, it take it's cause it's singled geared or somin like that?

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If Prime/Co-prime gearing does help with wear (https://news.ycombinator.com/item?id=2406562) how come 47T or 49T chainrings seem much more rare than 48T?

I think I'd rather walk. It's a close thing though, I do hate walking

I paid £175 for my first second-hand fixed gear bike. A learning experience.

"paid £90 for it as a commuter hipster thing"

Decent price to get to work for a year.

All is I know is that I have a 17 on and it's gets me all but the steepest of stuff. Is there a formula for working gear ratios ?

Front teeth / Back teeth gives you the ratio.
I'd guess you'll be on something between 40/17 giving you about 2.4 turns of the rear wheel for one turn of the pedals and 48/17 giving you 2.8.
There are plenty of websites with the various gearing measures programmed in for calculation. See http://www.bikecalc.com/gear_ratios

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