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The Fulcrum Racing 7 black wheels have been completely re-designed following precise goals:
- Reduce weight,
- Increase responsiveness
The Fulcrum research and development department designers had a tough time reaching the set goals but this rim's weight (less than 1850 g), and all test results show, once again, the greatness of the Fulcrum Racing design.
The new race hubs are made for straight spokes: aluminum-made and with a large flange on the crankset side of the rear wheel, which results in a significant increase in reaction.
The Fulcrum front wheel has 20 steel spokes with a 2 mm round section. The spokes of the rear cycle wheel have a 2:1 ratio Two-to-One: 8 2 mm round spokes, radially laced for the left side. On the driveside there are twice as many straight spokes, with the same 2 mm section.
In order to control wear in Fulcrum Racing models, these cycling wheels use a new Wear indicator system.
Fulcrum Racing 7 wheels and are compatible with Campagnolo, Shimano Inc. and Sram Co. drivetrains.
Fulcrum Technology informatiom
2:1 : When you push on the pedals, the rotational force on the sprocket induces a slackening of the freewheel spokes with a consequent loss of rim tension. This results in undesirable flex of the whole wheel and an unavoidable loss of energy.Fulcrum has solved this classic cycling problem with its 2:1 Two-to-One Spoke Ratio patent, by doubling the spokes in the critical zones.
As a result there are two spokes which carry out the function of one, slackening and torsion are limited and the transfer of the athlete's power is much more effective Also, thanks to this system, spoke tensions are balanced more evenly between drive and non-drive sides and the fatigue life of the rim, hub and spokes is lengthened.
Maximum Compatibility:
With the new Fulcrum freehub body dedicated to non-Campagnolo drivetrains you will be able to exploit the maximum versatility of your current system. We have developed a freehub body that is perfectly compatible with Shimano Inc. 8, 9 and 10 speed systems and Sram Co. 10 speed ones.
Also available in Campagnolo 9/10/11 speed
- Nominal weight: front: 828 g, rear: 1021 g
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