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Road wheels Fulcrum Speed 40 Competition DB Carbon

The new Speed CMPTZN DB wheels have been designed to provide the most exacting cyclists with the same levels of performance that Fulcrum reserves for World Tour athletes.

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As soon as you set your eyes on them you can see why the Speed CMPTZN DB are different. The new models share the same Black Label graphics of the Racing Zero CMPTZN family.
The true challenge lay in trying to improve the superlative Fulcrum Speed 55 DB with which the Speed CMPTZN DB wheels share certain technical aspects, such as the full carbon rim with “Twill“ finish and the 2:1 spoke pattern.
But this time we wanted to optimise a top of the range product, by improving its rolling resistance and lightness.
The obvious choice was our CULT™ bearings that allow us to save weight (10 grams less than the Speed 55 DB) and achieve unequalled levels of rolling resistance by up to nine times compared to traditional solutions, with a saving of up to 3.5 watts per pedal stroke.

Along with the considerable improvement in terms of mechanical performance, the new hubs of the Speed CMPTZN DB have also undergone a matt black restyling, to complement the black on black graphics of the rims.    
The new models are available in the 2-WAY FIT version, which lets you choose whether to run them tubeless (for lower rolling resistance and greater puncture resistance) or with clinchers (for traditionalists).
The inner rim width of 19 mm gives you additional freedom in terms of the tyres that can be fitted.

Tyre type: 2-Way fit (for clincher and tubeless)
tyre size: 28"
Discipline: Road
ASTM category: 2
Weight: 1460 g
Rim material: Carbon
Rim material details: Full carbon, "Twill" carbon fibre finish
Profile Height: Medium
Rim Height: Front and rear: 40 mm
Rim width: 26,5 mm
Inner rim width (channel): 19 mm
Tyre width: From 23 mm to 50 mm
Braking system: Disc brake
Braking surface/brakes options: AFS
Front axle compatibility: HH12-100
rear axle compatibility: HH12-142
Front wheel spokes: 21, Two-to-one (14 left - 7 right)
Rear wheel spokes: 21, Two-to-one (7 left - 14 right)
Spokes: material Stainless steel, double butted
Spokes: profile Rounded, straight pull
Nipples: Aluminum
Front hub: Carbon, Oversized Aluminium flange
Rear hub: Aluminum, Oversized Aluminium flange
Bearings: Ceramic CULT bearings, cup & cone system, adjustable
Others: Plasma treated HG freewheel. Aluminum Axle

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