Rare vintage British Cyclo Benelux plunger rear derailleur
Rare vintage 3/4-speed British Cyclo Benelus plunger-type rear derailleur
An unusual rear derailleur from the 1950s when bikes using multi-speed sprocket sets were rare items.
In the 1950s the derailleur design was still evolving and although the Campagnolo design ultimately won out, the Cyclo spring-tensioned plunger type was briefly popular with British bike makers. The engineering on this part is lovely, having adjustable ball-bearing jockey wheels, and all-steel sturdy parts.
This derailleur is stamped on the cages as being 4-speed compatible with a narrow 3/32″ or 3-speed with a 1/4″ chain.
The derailleur has been stripped, cleaned, regreased and is functional – a perfect highly desirable part for an authentic bike restoration.
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