The Zipp 303 XPLR S is big upgrade for gravel riders without a big price tag. Fast and robust gravel wheel, features tubeless and hookless rim profile Ultra-wide internal profile for decreased rolling resistance, ability to run pressures under 30psi (2.1 bars) Wide and deep profile integrates seamlessly with gravel tires to increase aerodynamic efficiency ZR 700 hubset Ships with 12mm front and rear end caps Max tire pressure 50 psi/3.45 bar Lifetime Warranty 303 XPLR S IS ONLY COMPATIBLE WITH APPROVED TIRES. The Goodyear XPLR Slick and Goodyear XPLR Inter are specifically designed and optimized for the 303 XPLR S. SRAM Model ID: WH-303-XPS-B1
