Designed for fast, high-volume inflation on larger tires Reliable floor pump with a composite matrix base Oversized, durable, steel barrel and piston Ergonomic composite matrix handle ABS Flip Chuck option: Presta/Shrader compatible Dual Valve Pump Head option: Presta/Shrader/Dunlop valve compatible Extra-long, high-strength hose Highly accurate 3.5" gauge to (100psi/6.89bar) Color: Flat black The Macro HV Floor Drive offers outstanding value and long-term reliability. Combining a sleek, highly durable Composite Matrix base and handle with an oversized, durable steel barrel and piston, it provides fast and reliable inflation in high-volume applications. It is equipped with the ABS Flip Chuck or Dual Valve Pump Head, an accurate 3.5" gauge, and an extra-long, high-strength hose for efficient, easy-to-reach, pre-ride top-ups on Presta and Schrader-compatible tires. The Dual Valve Pump Head is compatible with Dunlop valves. SPECS: Weight: 1334g Dimensions: 225mm, 220mm, 660mm Maximum PSI: 100psi | 6.9bar Features: High Volume Pump Chuck: ABS Flip Chuck or Dual Valve Base: Composite Matrix Gauge: 3.5 Analog Pump Type: High Volume Handle: Composite Matrix Piston: Steel Barrel: Steel