Something useful for commuters: A bicycle barometer

So many of the new products for bicycling seem like the same old thing updated -- new styles of clothes, new styles of panniers, new styles of helmets, new styles of rain wear ... But this commuter in London has created something that I think could be truly useful -- a bicycle barometer. Essentially, Richard Pope developed a device that tells him whether its a better day to use his bicycle or the subway to get to work. ....

Source: http://www.bikingbis.com/2013/01/25/something-useful-for-commuters-a-bicycle-barometer/

tour de france route