Fulcrum Racing Speed 40C C17 Clincher Wheelset Shimano
Fulcrum Racing Speed wheelset is for serious cyclists who want to race professionally. These wheels are not as fancy as the XLR, but they offer comparable performance at a far more affordable price. Features include improved design for superior balance. Read full review
Fulcrum Racing Speed
Fulcrum Racing Speed is not exactly a top-of-the-line set of wheels for the brand. Most people are familiar with Fulcrum Racing 5 wheels, but the Racing Speed lines offers good value and excellent feature as well. These set of wheels are designed for road racers and serious cyclists. So, if you are a beginner, you might want to skip these. Racing Speed is the budget version of the top selling Speed XLR offered by the brand. However, this model also offers comparable features and performance.
This wheelset weighs only 1,360 grams. That is about as light as bike wheels can get. There’s no doubt that this wheelset is designed for racing and achieving top speeds. The rims have 50mm deep sections optimized for aerodynamic performance. You can essentially speed like a bullet through the air and feel like there’s no resistance at all. There’s a catch though: The Racing Speed wheels do not handle windy climated very well. One of the biggest features of this wheelset is the adjusted carbon layer system, which makes the valve stem balance out. You will experience zero imbalance issues thanks to that design choice. For serious racers, balance is everything.
The wheelset has locking aero spokes and recessed spoke nipples. The lacing spoke pattern is 2:1. There are more spoked on the rear drive side for better distribution of force to the wheel. There’s nothing really fancy with this wheelset, but pro cyclists have won World Championship Road races with these wheels. You can rely on them for training or racing on your terms.
+Pros:
- High quality specs
- Suitable for professional use
- Relatively lightweight
- Rims optimized for aerodynamic performance
-Cons:
- Not for beginners
- Expensive
The Verdict
Fulcrum Racing Speed is a wheelset that will let you cut through the wind and speed like there’s no tomorrow. These high-quality wheels are made for pros.
You can train using these, or compete in a major race. These wheels are designed to handle pro-level demand.
Sitting at the top of the Fulcrum range, the Fulcrum Racing Speed 40C Carbon wheelset embody the pinnacle of carbon wheel technology. In this iteration, they offer all the advantages of a grand tour-winning wheelset, with the added functionality of being compatible with clincher tyres. Using a mid-depth carbon fibre rim, this wheelset balances aerodynamics and weight superbly. While the 40mm rim depth maximises aero gains on flat and rolling terrain, the 1400-gram weight ensures this wheelset is very responsive and won’t hold you back uphill. With a wider 24.2mm rim design, this wheelset can also use wider tyres to optimise grip, comfort and speed out on the road. All-weather braking performance has also been vastly improved. Thanks to the application of AC3 technology on the braking track, now you can stop when it matters, even in the worst conditions. Combined with these premium carbon rims are a set of equally premium hubs. Using a carbon fibre shell, the front hub offers a significant reduction in weight, while the rear alloy hub has a high flange to ensure maximum power transfer. Both hubs are filled with adjustable USB ceramic bearings to ensure a silky smooth, race-winning spin that lasts. These hubs are laced to the rims via 18 double-butted stainless-steel spokes on the front, to ensure that weight is kept to a minimum, and 21 on the rear to maintain maximum wheel strength and stiffness. Carbon fibre rim construction Twill carbon fibre braking surface with AC3™ Treatment 40mm rim depth 17mm internal width, 24.2mm external rim width 700c Weight: 1400 grams Compatible with clincher tyres Compatible with rim brakes Compatible with QR. Carbon front hub. Alloy high flange rear hub, (100mm front) (130mm rear). Cup-and-cone bearing system. USB ceramic bearings 9/10/11 speed compatible. Stainless steel, double butted aero spokes. 18 front, 21 rear. Alloy nipples.
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