ZTTO Mini Portable Bicycle Pump MTB Road Bike Pump Cycling Inflator Specification: Colour :Black Material: Aluminum Alloy Size: Type A about 21.5 cm Type B about 16.5 cm Weight: Type A about 83.6g Type B About 132.6g Type A with barometer / Type B without barometer Features: *Made of high quality material,ensure maximum strength and durability for long lasting usage. *Mini Pump ,Easy to Carry Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.