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Cirrus - AC45

The 4ZA Cirrus AC45 wheelset was created to offer wind defying aerodynamics, all packed in a strong and durable Carbon/Aluminum hybrid platform. The wide and 45mm deep section rims provide extra stability and stiffness where it counts, while the machined brake track offers reliable braking performance.

Whether you head out to outsprint the competition, set new speed records or save precious energy during breakaways, the Cirrus AC45 will offer class leading speed and control.

Download Wheel Passport
Set weight1950g
Rim materialDouble wall Aluminium, Carbon fiber Aeroshell 
Rim depth45 mm
Rim widthInternal 18mm / External 23mm
Etrto622-18c
HubsShimano RS400, 11sp
SpokesMach1 Pro double butted, Black 
Spoke countFront 24 / Rear 24
NipplesMach1 Brass, Black, External 
Spoke PatternFront radial / Rear 2-cross
Quick ReleasesShimano
Brake PadsRegular
Recommended tire size23-35 mm
Max. tire pressure125psi / 8,6bar
Max. recommended rider weight110kg
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