I don't know.
Join Date: May 2003
Location: South Meriden, CT
Posts: 2,211
Bikes: '90 B'stone RB-1, '92 B'stone RB-2, '89 SuperGo Access Comp, '03 Access 69er, '23 Trek 520, '14 Ritchey Road Logic, '09 Kestrel Evoke, '08 Windsor Tourist, '17 Surly Wednesday, '89 Centurion Accordo, '15 CruX, '17 Ridley X-Night, '89 Marinoni
I've ridden 1.5" grooved slicks on a 26" mtb and maintained fairly fast road average speeds. It was fun. As someone mentioned though, the gearing was a little off for the speeds.