Private company
Reynolds 531
Logo: Unknown author Unknown author, Public domain, via Wikimedia Commons3
Registered brand name of lightweight steel alloy frame tubing
Reynolds 531 is a brand name, registered to Reynolds Technology of Birmingham in the United Kingdom, for a manganese–molybdenum, medium-carbon steel tubing that was used in many quality applications, including race car chassis, aircraft components and, most famously, bicycle frame tubing. It is one of a number of tubing types developed by Reynolds. Reynolds 531 "was the standard of excellence for many decades" among bicycle frame-building materials.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
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Reynolds 531 (pronounced 'five-three-one') is a brand name, registered to Reynolds Technology of Birmingham in the United Kingdom, for a manganese–molybdenum, medium-carbon steel tubing that was used in many quality applications, including race car chassis, aircraft components and, most famously, bicycle frame tubing. It is one of a number of tubing types developed by Reynolds.2
Products and brands
- alloy steel
Listed on Wikidata.1
Timeline
- 1935Founded Founded1
Links
- WikipediaReynolds 531
- WikidataQ1129345
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataReynolds 531 on Wikidata
- 2WikipediaReynolds 531 on Wikipedia
- 3Wikimedia CommonsReynolds 531 logo by Unknown author Unknown author, Public domain
- 4