Topeak Ninja P portable pump

Cylinder material: aluminum alloy Plastic handle material: aluminum alloy Size: L178×21×21mm Weight: 90g Can be filled up to 160psi Portable pump "Ninja P" that can be stored inside the seatpost and does not spoil the appearance of the bicycle.A "seatpost position indicator" is included to make it easy to set the original saddle height when reinstalling the seatpost. Presta-style mouthpiece Capable of filling up to 160psi Aluminum alloy cylinder Aluminum alloy/plastic handle Compatible seatpost diameters: Φ27.2mm, Φ30.9mm, Φ31.6mm Seatpost for Φ27.2mm, Φ30.9mm/Φ31.6mm Seatpost position indicator included With dust ring L203×21×21mm 62g Regarding the color and size of the product: The color of the product may differ from the actual product depending on the type of display. The specifications and logo designs of the listed products are subject to change due to improvements. Additionally, we cannot answer questions about measurements or personal fit that have not been announced by the manufacturer. Thank you for your understanding.