Bicycle generators

Shimano Alfine hub generator
Shimano Alfine hub generator
Generators for bicycle lighting — new article by guest author Frank Krygowski. Advantages and disadvantages compared with batteries; types, history, installation.
Busch & Müller Dymotec tire-sidewall generator
Busch & Müller Dymotec tire-sidewall generator

A brief history of bicycle lighting

Updated and expanded: a brief history of bicycle lighting, from candle lamps to LEDs.

Kerosene bicycle lamp from around 1895
Kerosene bicycle lamp from around 1895

LED headlight update

Additions to the page about LED headlights — lots of new information, about why lights which are well-designed for nighttime use can be good as daytime running lights, but some that are impressive in daylight don’t do so well at night; about ultra-cheap lights, how to make them pay for themselves adn which kind is preferable; installation and adjustment.

A pair of ultra-cheap bicycle lights
A pair of ultra-cheap bicycle lights

Riding with RidewithGPS

New article on riding with the RideWithGPS app. What you need to know to get started: mounting your phone, keeping it charged, downloading routes, and recording your rides.

RidewithGPS

Isvan on Power Management

Osman Isvan has written a paper, Power Management for Lightweight Vehicles, and has been kind enough to send it for posting on sheldonbrown.com. Isvan gives special attention to how to make the most efficient use of electrical-assist power. His conclusions are probably not what you expect!

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