The Lezyne Road Drive Pump is CNC-machined aluminum and as with other Lezyne mini-pumps, this one comes with an ABS Speed Hose. This is a huge benefit for a few reasons. One is ergonomics; you aren't limited by holding the pump at a perfect right angle to the valve. A second is that this Flex Hose is ABS-equipped -- it has a bleeder valve on it. Because this is for Presta valves only, the pump head is fitted with a slip chuck. Press it on and it stays on. Lezyne Road Drive pumps are longer and leaner than pressure drive pumps. The 17mm diameter means more strokes than the Pressure Drives to get to the same place, but with less effort per stroke. Max PSI: 160. Length: 180mm. Weight: 82g.