The B33 is a super-heavy-duty sprung saddle designed to cope with the poor road conditions in the third world. It features multi-strand coil springs, and is designed for the heavier rider. The B33 is a triple-rail saddle. These use a special clamp included for old-style seatposts. The B33 features bag loops to permit the use of a traditional English-style touring bag. Current production has black frames with chrome springs. This model is designed for maximum comfort on bad road surfaces. Length 292 mm. Width 235 mm. The B33 is a super-heavy-duty sprung saddle designed to cope with the poor road conditions multi-strand coil springs, and is designed for the heavier rider The B33 is a triple-rail saddle This model is designed for maximum comfort on bad road surfaces Length 292 mm. Width 235 mm