Features: Made of nylon, this mount is designed to fit 20mm diameter air pumps and can be easily installed anywhere on your bike frame with the elastics band. This bike air pumps frame pump holder can ensure that the inflators is firmly fixed on your bike during riding, no matter the road is rough or flat. Easily to Install: This bicycles pump holder can be fixed at the position of the kettle frame or at any position of frame with a tie. Perfect for outdoor cycling enthusiasts who want to be prepared for emergencies situations that require a quickly tire inflation. Use this clip to securely attach your air pumps to your bike frame, so you don't have to worry about carrying it in your backpack or saddlebag. Specifications: Material: Nylon Suitable for Cylinder Diameter: 20mm/0.79inch Quantity: 1Pcs/2Pcs Package Includes: 1Pcs/2Pcs Bicycles Pump Holder note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.