Joined: Jun 2004
Posts: 445
Likes: 0
From: San Diego, California
Bikes: 5 Colnago, 2 Olmo, Bianchi, 4 Austro-Daimler, Merlin, Fisher Tandem, John Waite track tandem, Schwinns, Steyrs, Bill Holland Ti path racer, Chinese prototype FS
Continental GP4000 come in two shades of blue. I use the metallic blue 23mm on a Mapei colored Colnago. They are quite resistant to puncture and roll fast.