Fulcrum Racing 5 DB Rear Wheel - 700c 12 x 142mm Center-Lock Disc Campagnolo N3W BLKFulcrum Racing 5 DB Rear Wheel 700c 12 x 142mm Center Lock Disc Campagnolo N3W Black. Racing 5 DB wheels are the perfect choice for endurance bikes. The lower aerodynamic resistance and decreased stiffness achieved with the lower 24 mm U shaped profile makes them the ideal technical choice for long rideswithout having to worry about climbing rain or wind with a consequent saving in energy and increased comfort. Preinstalled tubeless tape Straight pull