<!--ProdInc[300299587]/Mall:[backcountry_US]-->Throughout Zipp''s 30-year history, its pursuit has been speed, with a passionately focused mindset ''…to make you faster.'' With aerodynamics reaching a natural plateau of performance progress, Zipp ushers in a new era with the 303 S carbon wheel that looks beyond air resistance to boost efficiency across the entire wheel-system, giving you ''the next chapter of speed.'' Designed to match with your modern drop-bar bike''s increasingly ample frame clearance and the real-world challenges, like gravel washboards and infrequently paved back-roads, the 303 S works to preserve your energy so you can make speed. <h3>Details</h3> Endurance and performance lines converge in the all-new design Aerodynamically optimized for road, but can run wide gravel tires Decreased weight improves responsiveness and steep-slope speed Updated graphics are asymmetrical and eye-catching Tubeless and tubeless compatible tire only Zipp continues to expand the capabilities of the modern wheelset Item #ZIPZ04L <h3>Tech Specs</h3> Rim Material : carbon (UD fiber finish) Wheel Size : 700c Rim Type : Hookless Rim Depth : 45mm Rim Width : [internal] 23mm, [external] 27mm Brake Compatibility : centerlock disc Hubs : 76/176 DB Front Axle : TA 12x100 Rear Axle : TA 12x142 Spokes : CX-Sprint Spoke Nipple : brass Spoke Count : 24 Max Rider Weight : 253lb (115kg) Wheel Bag Included : none Claimed Weight : [front] 1lb 9.1oz (711g), [rear] 1lb 12.9oz (819g) Manufacturer Warranty : limited lifetime Includes : tubeless valve stem, tubeless tape