GIYO Shock Absorber Pump for Mountain Bikes, Road Bikes, MTB, Aluminium, Fine Adjustment. This bicycle damper pump is made of aluminium alloy, very durable and lightweight. It can be used for road bikes, mountain bikes, etc. - Aluminium alloy material - Made of aluminium alloy for quality and portability. Easily fits into your bike backpack. - Ergonomic design - Non-slip rubber handle allows for easy and effortless handling. - Precise air pressure adjustment - The air pressure fine adjustment valve allows you to precisely adjust the air pressure. The air pressure can be up to 20 bar/300 psi. - 360 degree rotation - The inflatable connection hose and nozzle can be rotated 360 degrees for more flexible usage." Our GIYO brand comes from Taiwan and has specialized in the production of bicycle pumps with quality guarantee for more than 10 years. Specification Material: Aluminum Alloy + Rubber Size: 10.2-15.3 inch Weight: 210G Package Content 1* Mountain Bike High Pressure Pump