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Information on materials used in our frames

More detailed specifications can be found by clicking on the web site links below.

Link to Reynolds Web site 531 pagespacer Link to Reynolds Web site 631 pagespacerLink to Reynolds Web site 725 pagespacerLink to Reynolds Web site 753 pagespacerTransparent gifspacerLink to Columbus Web site FOCO page
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Reynolds 531
The most widely known cycle tubing, it is both lightweight and durable.
It is available in a number of variations denoted by a suffix.
This is basically a cold drawn, seamless butted manganese-molybdenum tube
with a tensile strength of 48-58 Tsi, It is not a heat treated tube.


Reynolds 631
A cold drawn tube with a tensile strength of 52-58 Tsi
The strength to weight ratio is equal to that of many Aluminium frames.
It is an air hardened tube.


Reynolds 725
A superior heat treated seamless butted chrome-molybdenum tube.
Allowing thinner walls whilst retaining maximum strength.
Its tensile strength is 70-83 Tsi

Reynolds 753
This is basically a cold drawn, seamless butted manganese-molybdenum tube
This tubing requires special care when building a frame, It is light and has thin walls.
This tubing must be silver soldered. It is basically for racing frames.
Its tensile strength is 70-83 Tsi


Columbus SLX
Butted tube set specially designed for professional cyclists.
Five helical reinforcements at the butted tube ends give greater rigidity to the joint area
of the bottom bracket shell. Tubes are double butted and rear stays are lightened.
No extra information available on the Columbus web site for this product.

Columbus FOCO
A hot rolled, cold drawn, heat treated tube. light, thin, tough tube for racing frames only.
A tube containing manganese, chrome, molybdenum and vanadium


It is possible to make your frame in other tubing, please let us know your requirements.

Link to Reynolds web site home pagespacerLink to columbus web site home page

Reynolds Web site Home page | Columbus Web site Home page
Reynolds 531 | Reynolds 631 | Reynolds 725 | Reynolds 753 | Columbus FOCO

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