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Shimano 11spd - Black Decal
Zipp 303 Firecrest Tubeless Disc Brake Carbon Clincher
Zipp 303 Firecrest Tubeless Disc Brake Carbon Clincher
Zipp 303 Firecrest Tubeless Disc Brake Carbon Clincher
Zipp 303 Firecrest Tubeless Disc Brake Carbon Clincher

303 Firecrest Tubeless Disc Brake Wheelset

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To the asphalt, and beyond!

You've got big plans for your riding, searching for miles in unlikely places from overlooked mountain passes to gravel fire lanes and anything in between. The freedom of two wheels is fully realized when your riding is truly free, and that's what Zipp sought to provide with their new 303 Firecrest Tubeless Disc Brake Carbon Clincher Wheelset. Built from the ground up to be tubeless, this wheelset features a redesigned rim optimized for disc brakes.

The new 303 Firecrest rims feature the same drag reducing A.B.L.C. dimples and AeroBalance� design, keeping the Firecrest line leading the pack in aerodynamic performance and crosswind stability. The new rim design features an internal diameter of 21mm complete with internal ridges, providing a firm anchoring point for tubeless tires as well as a smooth transition between rim and tire. These new rims even feature a new and improved carbon fiber layup that saves even more weight without affecting the 303's legendary durability. Furthering optimizing this wheelset for use with disc brake system, the Zipp 77/177D hubset provides a lightweight and versatile 6-bolt compatible hub that is compatible with either quick release or thru-axle systems. Lacing these lightweight carbon fiber rims to the versatile hubs are 24 front and rear Sapim CX-Ray spokes, ensuring these wheels provide a stiff, responsive riding experience.

The Zipp 303 Firecrest Tubeless Disc Brake Carbon Clincher includes the Zipp Tubeless valve extender and valve-core wrench, Zipp rim tape (factory taped), Zipp Tangete quick-release skewers, Zipp thru-axle end caps. Compatible with Shimano/SRAM 10/11-speed drivetrains.


  • Claimed weight: 760g front / 885g rear / 1645g wheelset.
  • Redesigned disc-specific tubeless 303 Firecrest rim is the industry leader in aerodynamics.
  • Rim depth: 45mm.
  • Internal rim width: 21mm.
  • 24 Sapim CX-Ray spokes front / rear.
  • Disc-specific Zipp 77/177D hubset features swappable end caps for QR or thru-axle.
  • End caps are compatible with 12x100mm or 15x100mm front, 12x135mm or 12x142mm rear thru-axles.

FREE Cassette Installation - Order a cassette along with a wheelset and we can install the cassette for free. Cassette installation requires special tools that not all our customers have. The cassette will be professionally installed and torqued to spec. Just add "Please install cassette" to your order notes at checkout and we'll take care of you.

Returns: This product is overweight and/or oversize and does not qualify for our fixed rate return shipping label. If you need to return this item, we can offer a return shipping label at our discounted shipping rates, or you can arrange for your own return shipping.

Shimano 11spd - Black Decal

Rim Diameter: 622 

Wheel Features: Disc Brake Compatible 

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Great wheels
by Anonymous
4 of 8 customers found this review helpful.

Got disc 303s as i have 303s on my rim brake bike

Very happy with them

Only complaint is that i purchased the disc rotors from Shimano and they are not compatible

Need the sram rotors

Reviewed 11/10/2017
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