bicycle helmet · cork · shaping · styrofoam

Modifying a bicycle helmet to fit my head

My resistance to wearing a bike helmet has been from finding them to be giant klunky things filled with HUGE amounts of styrofoam. My head is big from front to back, but narrow from side to side. A large or extra large helmet may sit on my head without squeezing it, but can leave a… Continue reading Modifying a bicycle helmet to fit my head

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Drews city bike, a two speed mini-velo: portable #15

Time for another bike! I wanted something I could hand over to the coat-check person at the museum. Or take into the movie theater with me. Portable bike #15   a 2 speed mini-velo   Folds up in 60 seconds.   Goes from a bike to bike in bag in a few minutes. Weighs 24lbs.… Continue reading Drews city bike, a two speed mini-velo: portable #15

28 · bicycle · spoke hole · spokes 36 · wheel

36 hole rim laced to 28 hole hub

This it the type of project that is only justified if absolutely necessary. Not a good idea to try for anyone without a lot of wheel building experience. My project qualified, and I have built hundreds of wheels over the years when I worked as a bike mechanic, so I set down to figure out… Continue reading 36 hole rim laced to 28 hole hub

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Review of Sinewave Revolution USB bicycle charging device; used with iPhone

A number of different charging devices that run off your dynamo hub have appeared in the last few years. Here is a well written summary of them. I was planning a trip where I may not see an outlet for several days, so I thought it was time to try one of them. The Sinewave… Continue reading Review of Sinewave Revolution USB bicycle charging device; used with iPhone