That's instead of the 700 x 32c fitted as standard to my Nimbus 28.
Are you sure? ISTR that your Nimbus 28 from UDC came with a 35 mm wide tyre (as came mine). If so, it sets the Road Razor further apart from the original Nimbus (if only by 3 mm...).
Seems that you should put the 102's back on.
Klaas Bil - Newsgroup Addict -- I ride like a princess. - john_childs