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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.
The Raleigh Bicycle Company of Nottingham, England was a big customer for Reynolds 531 tubing used in their racing cycle range. Reynolds 531 has now been largely replaced in new frames by still-better steels. The latest, for race or sports frames, is Reynolds 953. [5] Reynolds worked closely with Carpenter Speciality Alloys to develop 953. It ...
16-gauge Reynolds 531, a high-tensile manganese-molybdenum steel alloy, was used as it allowed the frame tubes to be made thinner for the same strength, as well as making for a more responsive frame. All the joints were Sifbronze welded, [ 27 ] [ 28 ] – a relatively low-temperature flame-braze – except for the sub frame which was initially ...
After a crash-course in new frame-building techniques and derailleur technology, Schwinn introduced an updated Paramount with Reynolds 531 double-butted tubing, Nervex lugsets and bottom bracket shells, as well as Campagnolo derailleur dropouts.
KHS was the first Taiwan-made road bike to enter U.S. market with Reynolds 531 tubing. Bicycling Magazine tested this model in 1979 and rated it as good as a similar, French-made Motobecane model. KHS awarded the “Sears Partner in Progress” award in 1986
One of the most successful older steels was Reynolds "531", a manganese-molybdenum alloy steel. More common now is 4130 ChroMoly or similar alloys. Reynolds and Columbus are two of the most famous manufacturers of bicycle tubing. A few medium-quality bicycles used these steel alloys for only some of the frame tubes.
An Alabama woman "is recuperating well" after undergoing a pig kidney transplant in New York City, per reports. Towana Looney, 53, underwent surgery using the organ from a genetically manipulated ...
In 2007, the company launched the 'Guv'nor' which was inspired by an original Pashley catalogue from the 1930s. They persuaded Reynolds to re-introduce 531 tubing. More recently Pashley has launched its 'Clubman' range, and again the frames are made with 531 and inspired by archives of the company's old brochures.