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what is the length?
for Brampton of this era one would expect 6 1/2"
what is the wedgebolt size?
for Brampton one would expect 3/8" / 9.5mm
a 9.0mm wedgebolt would suggest a continental origin
what is the chainwheel bolt thread?
are chainwheel teeth cut for 1/8" or for 3/32" chain?
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ALUVAC -
this is a frankish producer of cycle fittings which was active in the 1930's and 1940's. do not have start/stop dates for them.
in addition to chainwheels, pedals, tools, and number plates were offered. found one report that they did a derailleur in cooperation with Freres Huret; it was product nr. 3716.
ALUVAC alloy pedals on a REXA machine of the 1930's -
View attachment 1121308
Number plate -
View attachment 1121311
View attachment 1121314
Tool -
View attachment 1121316
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