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Cosmic Ultimate 45 Wheelset

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Why We Like The Mavic Cosmic Ultimate 45 Wheelset

Whether we want to improve our overall speed, climbing pace, or acceleration, the Mavic Cosmic Ultimate 45 Wheelset will take us to the next level. Optimized for road racing or high-speed training rides, this incredibly lightweight wheelset features a full carbon rim construction and an aerodynamic shaping to save as much weight as possible while keeping the stiffness and reactivity high. This wheelset features a variety of technologies, including Instant Drive 360 freewheel technology, R2R carbon spoke technology, and a tubeless UST rim to keep the rolling resistance low and offer predictable stability as we race our way to the top.


  • A tubeless carbon wheelset optimized for high-speed road racing
  • The carbon fiber construction with UD² external layer optimizes stiffness and weight savings
  • Designed to provide extremely low rolling resistance and high reactivity
  • The carbon spokes offer high tensile resistance for unmatched strength
  • Features the R2R (rim to rim) lacing system
  • Delivered with an exclusive Mavic wheel bag and speed sensor magnet
  • Item #MAVZ28Q
Rim Material
100% carbon fiber with UD² external layer
Wheel Size
Rim Type
tubeless-ready, clincher
Rim Depth
Rim Width
[internal] 19mm
Brake Compatibility
centerlock disc
Instant Drive 360 freewheel technology, [bodies] carbon, [axle] aluminum
Front Axle
12 x 100mm thru-axle (easily convertible to quick release with optional adapters. Not compatible with 15mm thru- axles)
Rear Axle
12 x 142mm thru-axle ( convertible to Quick Release with optional adapters and axle replacement)
unidirectional carbon fiber
Spoke Count
Max Rider Weight
[including bike] 264.5lbs
Wheel Bag Included
Claimed Weight
[pair] 1255g, [front] 575g, [rear] 680g
speed sensor magnet, user guide

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