The B72 was standard equipment on the classic Raleigh Sports 3-speed bicycles.
The frame has single loops which provide a very slight amount of spring action.
The B72 is a double-rail saddle
These use a special clamp (included) for old-style "pipe-type" seatposts.
To use them with modern "microadjusting" seatposts,
you need a Seat Sandwich (see related items below).
The B72 features bag loops to permit the use of a traditional English-style touring bags.
Current production has black frames.
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