With an all-new disc-specific, tubeless rim, the ZIPP 303 Firecrest Carbon Clincher is now internally 21mm wide and faster than ever. The 45mm deep 303 Firecrest delivers unmatched aero performance when used with the wide tires that today's riding demands. ZIPP achieved this with a wide disc-specific rim design featuring ABLC dimples extending all the way to the outer edge of the rim. In addition to achieving AeroBalance, the industry leading crosswind stability and low aerodynamic drag that defines all Firecrest wheels, the new 303 Firecrest delivers lower drag than the outgoing version when used with 25c or wider tires. The aerodynamic performance gap between a narrower rim and the new 303 grows even larger with 28c and wider tires thanks to a smoother transition between the tire's profile and the new rim shape. Designed from the start as a tubeless rim, the 303 Firecrest features a rim bed made with internal ridges to lock the tire's bead in place, ensuring secure performance, even when ridden at lower tire pressures. And should you choose to run tubed tires, such as ZIPP's ultra-low rolling resistance Tangente Speed or Course R28 clinchers, the new 303 is fully compatible. A new carbon fiber layup keeps weight low while maintaining the 303's legendary durability. The rim's lightweight design allows the 303 to glide up the steepest climbs while ZIPP's robust 77/177D hubset, paired with 24 Sapim CX-Ray spokes front and rear, keep the wheels stiff and responsive. To ensure compatibility with any bike, the versatile 77/177D hubs come with swappable end caps to work with QR's and thru-axles, including 12x100mm and 15x100mm front thru-axles as well as 12x135mm and 12x142mm rear thru-axles. The 177D rear hub is also XDR freehub body compatible for use with SRAM 10-42 cassettes. And like all Zipp carbon wheels, the new 303 Firecrest is laid up, molded, drilled and assembled in Indianapolis, USA. Built to take you to places you've never been, the 303 Firecrest Tubeless Carbon Cincher will go the distance. It'll just take less time. Each 303 Firecrest Tubeless Carbon Clincher wheel comes with Zipp Tubeless valve extender and valve-core wrench, Zipp rim tape (factory taped), Zipp Tangente quick-release skewer, Zipp thru-axle end caps.
Compatible with SRAM/Shimano Road 10 and 11 Speed
SRAM XDR driver body for 177D available separately
Clincher Tubeless Wheels
Weight: 1645 grams/pair.
One coupon per order
Discount taken off MSRP for normal items
Custom kit pricing is complicated so we take the discount off the current build price
In stock items only
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