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Zipp 454 NSW Carbon Clincher Wheelset

Zipp454 NSW Carbon Clincher Wheelset(Return to Product Page)

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Expensive but fast.
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by Sizzlinlegs
Competitive Racer
Phoenix, AZ
1 of 1 customers found this review helpful.

Finally got up the nerve to build an ultralight bike for local century races and researched wheels for several months before buying these Zipps. This new 454 looked like the right compromise between weight and aero efficiency, given that all of our longer road races feature 2000-4000 feet of climb. I was truly hoping that the new design (versus the 404) would significantly lessen the crosswind penalty for deeper carbon wheels, as Zipp claims. I have been using a set of Gen 1 Zipp 45 mm carbon wheels for 3 years. The recent winter winds here have provided ideal conditions to compare performance. Bottom line .... I set PR's every time out on the new wheels, and over all three standard local routes that I solo time in my neighborhood. These PR's (measured in avg. mph over a 30 min and two different 70 min circuits) have averaged 0.34 mph faster in 7-11 mph winds. The 70 min circuits include 1100 ft. of climb. I used the same bike and same Conti GP 4000 S II tires. However, crosswinds affect these 454's noticeably more than my Gen 1 Zipp 45 mm wheels if you only consider how much buffeting you feel. Granted, these 454's measure 53 mm to 58 mm deep, depending on where you measure the whale ridge profile. I give them 5 stars for performance and 4 stars for value because I feel the crosswind control improvement for such a deep wheel is slight .... very slight for the extra $$$ you're shelling out. Buy them for the straightline aero speed and the cognition hub ... they're fast. Good luck in gusty 20 mph winds though, if you weigh 138 lbs like me, or just switch back to a 30 mm wheel in the wind.

Reviewed 2/27/2018
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