In the later 1980s, extra small frames became very popular due to the number of females participating in triathlon. Available bicycles 45cm or smaller , using a 700C/24" wheel combination included;

Raleigh Marathon (17")
Fuji 450SE (45cm)
Panasonic DX2400 (16.5")
Bianchi SX (17.5")
Shogun Samaurai (43cm)
Bridgestone 550 (45cm)
Novara Trionfo (17")
Lotus Elite (44cm)
KHS Triathlete Pro (17")
Stirling Custom Starland (16")
Terry Precision SS Series(16")
Serotta Petite Series |(44cm)
Marinoni Petite (43 cm)

Small 700C bicycles included:

Lotus Excelle (17")
Palto Alto 600 (44cm)