Dreesens Bicycles

Steel bicycles by Peter Dreesens

How to: Steel Frame Repair Part 6

The new tube: A  True Temper 34.9 (1 3/8″) HOXPLAT 10 of .7/,4/.7 thickness. True Temper created the PLATINUM tubing by taking an aerospace grade of air hardening steel and modifying it to enhance its properties for light weight bicycle frames. The tensile strength exceeds 195,000 psi.

Using a lug as a pattern the outline of the cut for the miter (shape of the tube to match the adjoining tube) is scribed on the tube using a dental pick.

The form of the miter is rough shaped using two angled cuts.

Using files and abrasives a shaped miter is achieved. This will match up to the head tube.


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