?Main Features:<br />2 in 1 portable bike seat tube pump / schrader valve bicycle tire inflator  <br />2 in 1: It is not only a bike seat tube、 but a bike pump<br />Portable design makes it more convenient to use<br />It fits schrader valve<br />Suitable for most bike、 such as road bike、 mountain bike、 folding bike etc.<br />The diameter of the bike seat tube is 27.2mm<br />The bike is not included<br /><br />    Specifications<br />General<br />	 Type: Pump                                                  <br />                        For: Unisex                                                  <br />                        Material: Aluminum 6061                                                  <br />                        Features: 2 in 1                                                  <br />                        Suitable for : Bike、 Mountain Bicycle、 Road Bike                                                	<br />Specifications<br />	 Color: Black                                                	<br />Dimension and Weight<br />	  Product weight : 0.378 kg                                                  <br />                        Package weight : 0.430 kg                                                  <br />                        Product size (L x W x H)   : 2.72 x 2.72 x 40 cm / 1.1 x 1.1 x 15.7 inches                                                  <br />                        Package size (L x W x H)  : 4 x 4 x 42 cm                                                	<br />Package Contents<br />	 Package Contents: 1 x 2 in 1 Bicycle Pump                                                	<br /><br /><br /><br />                                            <br /><br />                                                <br />