Optimized to be fastest with 353 NSW, and size matched to the rim dimensions for top aerodynamic efficiency. The tire has the same intended use as the wheel—long road rides, especially in the mountains The tire’s lightweight casing enhances climbing speed tread pattern cornering grip. The Goodyear VectorR Z30 NSW features a casing and tread sized for a wide rim profile, creating a large volume for speed on smooth pav roads at lower tire pressures. Measures true to size: 30mm on 353 NSW Focus on light weight Tubeless Complete, carbon beads Dynamic: UHP Compound R:Shield 150 TPI SRAM Model ID: TI-GY-VRN-A1