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Cosmic SLR 45 Wheelset

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Why We Like The Mavic Cosmic SLR 45 Wheelset

With the stiffness, stability, and aerodynamics of the Mavic Cosmic SLR 45 Wheelset, our goal of moving from the middle of the pack to leading the peloton is a purchase away from becoming a reality. The incredibly lightweight carbon fiber construction, which features Mavic’s new UD² rim laminate and Fore Carbon spoke attachment, saves up to 85g per wheel, eliminates the need for rim tape, and increases the overall stiffness of the rim, allowing us to ride at our highest potential. The improved UST road tubeless technology lets us ride with enhanced efficiency and grip while reducing the risk of punctures, upping our confidence on bumpy roads, and features a new rim bed shape to make mounting and changing tires easier than ever.


  • A stiff, lightweight, and exceptionally fast wheelset for all-round road riding
  • The carbon rim construction with a UD² laminate optimizes weight savings
  • Complete with Fore Carbon drilling technology to eliminate the need for rim tape
  • Features a 26mm external width for use with disc brakes and 25 - 32mm tires
  • 24 patented lightweight aero spokes provide exceptional stability
  • The Infinity hub design uses a stiff axle, durable bearings, and optimizes spoke tension
  • UST tubeless technology allows for use with tubeless tires to minimize the risk of flatting
  • Item #MAVZ28O
Rim Material
100% carbon fiber
Wheel Size
Rim Type
tubeless-ready, clincher
Rim Depth
Rim Width
[internal] 19mm, [external] 26mm
Brake Compatibility
centerlock disc
Infinity design
Front Axle
12 x 100mm thru-axle (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)
steel, straight pull, elliptical aero, double butted
Spoke Nipple
fore integrated aluminum
Spoke Count
Claimed Weight
[pair] 1440g, [front] 655g, [rear] 785g
UST valve and accessories, User guide

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