FULCRUM SPEED 40 CMPTZN DB CARBON WHEELSET - CLINCHERThe Fulcrum Speed CMPTZN DB wheels have been designed to offer the most demanding road cyclists the same technical excellence that Fulcrum makes available to athletes at World Tour. From the first glance at the Speed CMPTZN DB you will see that these wheels are different. The new models carry the Black Label graphics of the Racing Zero CMPTZN family. The real challenge was to improve on the Fulcrum Speed 55 DB, with which the Speed CMPTZN DB wheels