D.S., N.D.S.

Sheldon Brown's Bicycle Glossary · letter D
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For some obscure reason, some writers on bicycle matters seem to have a problem with the terms "right" and "left."

Instead of using these easily understood common English words, they have invented the terms "drive-side" for "right" and "non-drive-side" for left. (This relates to the fact that the chain drive is on the right side.)

As if this silly jargon were't confusing enough, they sometimes further muddy the waters by abbreviating these phrases as "D.S." and "N.D.S."

Copyright © 1996, 2008 Sheldon Brown

Original: https://www.sheldonbrown.com/gloss_dr-z.html#ds · Reproduced on en.wikipedalia.com with permission, all rights reserved.