Zipp 303 S Carbon Disc Brake Rear Wheel (Black) (Shimano/SRAM 11spd Road) (12 x 142mm) (700c / 622 ISO) (Centerlock) (Tubeless)

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Freehub Body | Spacing | Wheel Diameter:

  • Shimano/SRAM 11spd Road | 12 x 142mm | 700c / 622 ISO
  • SRAM XDR | 12 x 142mm | 700c / 622 ISO
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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.

Features:

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

Specifications:
Wheel Size: 700c
ISO Diameter (ETRTO): 622
Position: Rear
Tire Type: Tubeless
Brake Type: Disc Brake (Centerlock)
Hub: 176 DB
Axle Type: Thru Axle
Hub Spacing: 12 x 142mm
Drive Type (Rear Hub): Shimano/SRAM 11 Speed Road (8, 9, 10, 11 Speed) or SRAM XDR
Rim: Carbon (Hookless Bead, 45mm Depth)
Rim Width: 23mm (Internal)
Valve: Presta
Spoke Count: 24H
Spoke Type: J-Bend
Material: Carbon
Color: Black
Weight: 819g (w/out Tape & Valve, XDR Model)

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

Verified Owner
Sunday, Jun 14 2020 (about a year ago)
Zipp 303 S Carbon Disc Brake Rear Wheel (Black) (Shimano/SRAM 11spd Road) (12 x 142mm) (700c / 622 ISO)
First set of Zipp wheels and first time with tubeless tires. I've ridden them for 3 weeks now, about 7 or 8 rides. Extremely pleased. I was already riding 28mm tires but the feel at the lower pressures is a noticeable improvement. These wheels are super fast compared to the stock wheels on my Cannondale. Most noticeable when riding in a group - easier to hold the wheel. I've achieved some PR's on flat segments where the wattage on the new PR is less than on the old. Of course that's subject to lot's of factors so take it for what it's worth.