Most recent activity
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Drillium does have some history, but I would not be comfortable riding that.
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Skully, Warren has some comments. Apparently the rule applies to hubs other than Airlite large flange models.
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36H was an option
Harden hub catalogue held at the V-CC library
and another Harden catalogue also at the V-CC library)
and quite clearly it was to accommodate those wanting to use the Continental rims
this is from the article at Classic Lightweights on Harden hubs
The CL article has useful links to the bearing replacement and an informative technical articleIf you stole that hub from us in Australia it may have been part of the single shipment of the hubs
With the hub spending some time in Australia, and the Oppy toe clips, this has a hint of a True Blue Riband
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Dunlop Special Lightweight = chrome plated steel
Dunlop Stainless Special Lightweight= StainlessThe 7th photo in that ebay listing has them as Dunlop Special Lightweight
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have a look through the 1939 Brown Bros catalogue. Start from this page
https://www.flickr.com/photos/22983673@N02/14656343932/in/album-72157645280907377/
and page 72 of the 1939 Aids
http://veterancycleclublibrary.org.uk/ncl/pics/Holdsworth%20Aids%20catalogue%201939%20(V-CC%20Library).pdf
and the 1938 Constrictor catalogue
http://veterancycleclublibrary.org.uk/ncl/pics/Constrictor%20catalogue%201938%20(V-CC%20Library).pdf -
It is problematic to use hot water ie over 60C. Unless you want to change the structure of the leather to make it harder and brittle. The effect is Cuir Bouilli.
Those characteristics are not normally desired for a bike saddle.See #7 of my New cover for an old saddle
And before soaking it is best to de-tension the tension bolt, and only re-tension as necessary after the leather has fully dried (think days), and no elevated temperatures for the drying process.
Without trying to inflame the ever present debate on Proofide and other leather conditioners, I only use Proofide. It is my understanding that the vegetable tanned leather (which is used in tensioned saddles) is used as it stays relatively stiff (except when wet). It will gradually mould to your shape from the pressure exerted by your 'sit bones'. It is not ever meant to be flexible. Flexibility will very quickly shorten the life of the saddle.
Many leather treatments are designed to increase suppleness of chrome tanned leather (an altogether different process and used in distinctly different applications (gloves, leather shoes, leather furniture).
These applications are quite different to the leather held under tension taking a major part of your body weight during a ride. -
it is in good hands.
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some examples here
http://bikeville.blogspot.com.au/2012/05/saddle-supports.html
is this to stop the nose of the saddle from lifting? -
advert: "Hobbs of Barbican Blue Riband 23in, red, 1960. Universal brakes, Suntour 12-spd, Stronglight 290, Cinelli Stem, Mavic M40 wheels, Maes, 300 pounds."
seller was from Guildford (wherever that is in England)
yes to the inch pitch. Reasons