bicycle pump 1.good design and enough air 2.high quality & good price 3.all colors 4.good after service MaterialSteel, plastic, aluminum alloyApplicationKids bike, road bike, electric bike, MTBColorwhite, black, red, etcLength of Body280mm/ 500mm/ 570mm, or as orderDiameter of Tube20mm, 30mm, 32mm, 35mm, etcNozzleMulti functional or normalNet Weight170g to 750g ( Since Different Material and Size ...