Airnimal list the following:

Panaracer Technova II 25-520 kevlar (115psi)
Panaracer Technova 28-520 Kevlar (100psi)
IRC Roadlite 25-520 (100psi)
Primo C-739 25-520 Kevlar (100psi)
Primo C-740 25-520 Kevlar (100psi)
Primo V-Track 1-1/8" semi-slick (90psi)
Kenda K191 Koncept 520-28
Specialized Spanky 24 x 1-1/4"

The Specialized is a knobbly, the rest are variations on the theme of "road"

Dave Larrington - http://www.legslarry.beerdrinkers.co.uk/
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Editor - British Human Power Club Newsletter
http://www.bhpc.org.uk/
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