The Sport Gravel Drive floor pump was designed as a high quality pump with a medium sized barrel specifically for gravel bikes and other mid-volume tires. Features: Floor pump for gravel bikes and other mid-volume tires Mid-volume steel barrel and piston with composite matrix base Precision 3.5-inch gauge (100 psi / 6.89 bar) Extra long, high-strength hose Varnished wood handle ABS1 Pro with Presta / valve stem chuck Specifications: Valve Compatibility: Presta & Schrader Max Pressure: 100 PSI Pump Type: High Volume Gauge: Analog Material: Steel Color: Black