Zipp 303 S Carbon Disc Brake Wheels (Black) (Shimano HG 11/12) (Rear) (700c) (Centerlock) (Tubeless)

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Zipp's 303 S Carbon Tubeless disc brake wheels were designed to make you faster. The 303 S wheels were designed to be faster over all surfaces, gravel and road. The wider rim profile allows for wider tires and lower pressure, resulting in reduced rolling resistance. This creates a claimed 10 watts of saving.


  • Optimized for 28mm tires, but capable of handling up to 50mm tires
  • Wide 23mm internal width

Wheel Size: 700c
ISO Diameter (ETRTO): 622
Tire Type: Tubeless
Brake Type: Disc Brake (Centerlock)
Hub: 176 DB
Axle Type: Thru Axle
Hub Spacing: 12 x 120mm (Front), 12 x 142mm (Rear)
Rim: Carbon (Hookless Bead, 45mm Depth)
Rim Width: 23mm (Internal)
Valve: Presta
Spoke Count: 24H (Front & Rear)
Spoke Type: J-Bend
Material: Carbon
Color: Black
Weight: 711g (Front), 819g (Rear, XDR Model)

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This product was added to our catalog on May 28, 2020