The Crankbrothers Sterling is the short version of the premium mini pump made of 6061 aluminum, with accurate pressure gauge and universal valve head for Schrader (Auto) and Presta (French) valves. The valves can be replaced internally. The Sterling SG also offers the practical two-stage operation: stage 1 for large air volumes in a short time, stage 2 for high pressure up to 7 bar. So it can be used for racing bikes and MTBs.  The Sterling is the smaller version of the Crankbrothers Premium hand pumps and weighs only 141 g with the high-quality, integrated pressure gauge! Dimensions in mm (L/W): Length: 198 mm for valve type: Presta and Schrader Scope of delivery: pump with integrated pressure gauge Material: 6061 aluminum Additional weight information: manufacturer's specification