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Tag Archives: bicycle
Our hero, Lance Armstrong
Who is the cyclist wearing sunglasses, a white T-shirt and gray cargo shorts in the video? [No longer available to embed but you can watch it on YouTube]. Lance Armstrong, 7 times winner of the Tour de France. Everyone is … Continue reading
Posted in Bicycling
Tagged Armstrong, bicycle, Bicycling, collision, couriers, fixed gear, helmet, Lance, Lance Armstrong, laws, Tour de France, traffic signal, vehicle, vehicular
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Audible warnings
Some jurisdictions require a bicyclist to have an audible warning device, commonly a bell or horn. My bicycle has an audible warning device. Well, actually, I have only one warning device which I move to whatever bicycle I happen to … Continue reading
Ciccarelli on cycle tracks
John Ciccarelli is a consultant on bicycling and a League of American Bicyclists-certified cycling instructor who specializes in teaching adults who have never ridden a bicycle before. His comments here are reprinted by permission, and are in response to an … Continue reading
Posted in Bicycle facilities, Bicycling, Cycle tracks, Laws, New York City, Sidepaths
Tagged bicycle, Bicycling, bike lane, bikeway, Ciccarelli, Copenhagen, curb, cycle track, cycle tracks, Denmark, Europe, Holland, John Ciccarelli, law, Netherlands, safety, sidepaths, USA, vehicle, vehicular
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Safe separation with the Copenhagen curb?
How does a Copenhagen cycle track make bicycling safer? By putting bicyclists behind a low curb, a curb which a motor vehicle with its big tires can mount, but a bicycle can’t. The curb increases safety for bicyclists the way … Continue reading
Posted in Bicycle facilities, Bicycling, Cycle tracks, Sidepaths
Tagged bicycle, Copenhagen, curb, cycle tracks, pedestrians
7 Comments
Copenhagen in 1937 — what can it tell us?
I thank Ralph Fertig of the Santa Barbara, California Bicycle Coalition for drawing the attention of the bicycling community to the following fascinating travelogue from Copenhagen, shot in Technicolor in 1937. Not all of the film is about bicycling, but … Continue reading
Posted in Bicycling, Cycle tracks, traffic circles
Tagged bicycle, Bicycling, bikeway, Copenhagen, cycle track, Denmark, Europe, vehicular, Vikings
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Drive ratios of bicycle hub gears
My examination of drive ratios of the SRAM S7 hub has led to examination of other hub gears. I now have information on a very large number of hubs posted online in a Web version of a Microsoft Excel workbook … Continue reading
Posted in Bicycling, Equipment, gearing
Tagged bicycle, gearing, internal hub gear, ratios, Rohloff, Shimano, Spectro, SRAM, Sturmey-Archer
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Corrected: SRAM S7 gear ratios are as claimed!
Probably only a few people saw the earlier version of this post, but in any case I take it back. I thank Alex Wetmore for correcting my error. The 17-tooth planet gear of the SRAM S7 hub, not the 12-tooth, … Continue reading
Gridlock Sam’s magic powers!
New York’s former Traffic Commissioner and Chief Traffic Engineer, Sam Schwartz, “Gridlock Sam,” who describes himself as a “traffic guru”, has posted a Web page [updated and expanded since my original posting, apparently deleted sometime after October, 2014 but available … Continue reading
Lessons from Taiwan
In the summer of 2002, I had the privilege of visiting Taiwan, by then a dynamic, modern industrialized country. Cars and trucks were in wide use, and there was frequent bus service in urban areas, but motor scooters were the … Continue reading
Posted in Bicycle facilities, Bicycling
Tagged bicycle, law, motor scooter, Taiwan, traffic
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About the laser bike lane…
Lasers projecting the image of a bike lane from a bicycle onto the street? https://web.archive.org/web/20120112012925/http://www.lightlanebike.com/ This is archived. The original site has been replaced by a hack. Do not go there! Laser — high tech — must be a great … Continue reading
