Cyclecomputer and GPS database updated

A bicycle computer

A bicycle computer

Sheldonbrown.com has compiled links to more cyclecomputer and bicycle GPS manuals, old and new, than you will find anywhere else on the Internet. We have once again added information on new models and re-linked when a brand has discontinued support, left the cyclecomputer business (Blackburn, Cannondale, Pro, Topeak…), or gone out of business entirely (Avocet, Vetta…). And … if you have a manual which is not in our database, please feel free to scan it for us , or send it to us!

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Drum brakes

New article about drum brakes — how they work, their advantages and disadvantages, installation, maintenance, safety considerations.

Bicycle drum brake, partially disassembled

Bicycle drum brake, partially disassembled

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Sachs and SRAM internal-gear hubs update

We have updated all of our pages about Sachs and SRAM internal-gear hubs, fixing broken links and, regretfully, indicating that SRAM is now no longer making internal-gear hubs. But many of you are using these hubs, and we are maintaining information on them. Main page with links to others.

The Elan 12-speed -- biggest, baddest internal-gear hub of them all

The Elan 12-speed — biggest, baddest internal-gear hub of them all

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Fixed gear, singlespeed

All of our pages about fixed-gear and singlespeed bicycles have been updated. Information about derailerless drivetrains including workarounds for frames with vertical dropouts has been consolidated in a single article and expanded. Table of contents for these articles.

One of Sheldon's fixed-gear bicycles

One of Sheldon’s fixed-gear bicycles

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Tandem Updates

Pages about tandems and tandeming Sheldon Brown and family on home-built tandems[/caption] have been updated. We have more about disc brakes, brake levers, Gates synchronizing belts, and details about upgrading a cheap beach-resort tandem to ride with a child.

Sheldon Brown and family on home-built tandems

Sheldon Brown and family on home-built tandems

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Steel frame repair

Aluminum, titanium and carbon-fiber frames are fashionable, and generally lighter than steel frames. But if you are on a bicycle tour to a remote area, the ability of any small-town welder to perform an ugly but functional repair on a steel frame could allow you to continue. You may be able to straighten a bent frame yourself. Read about it here.

John Schubert speaks up for steel

John Schubert speaks up for steel

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Check your bicycle for safety

Bike check — a quick safety check you can do on your bicycle– and more extensive testing too.

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More about bicycling video

A table of contents page for our articles about bicycling video, and some new articles too — camera reviews, articles about technique and video-editing software.

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Anniversaire de Sheldon

Sheldon would have been 73 years old on July 14, 2018. And, yes, also, it’s Bastille Day. Vive la France !

Sheldon in French Foreign Legion képi

Sheldon in French Foreign Legion képi

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Band brakes

A band brake, common in Japan and occasionally seen in the USA, is an inside-out drum brake. Instead of brake shoes which press outward against the inside of a brake drum, a band brake has a flexible band which wraps around the outside of the drum. A band brake is easy to install and adjust, and we show how. While a band brake can be very effective for flatland cycling, it is not good for downhills and should never be used on a front wheel. Read why in our new article.

a bicycle band brake

a bicycle band brake

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