??You may be unable to install some small parts↔? such as hot wheels↔? just because of your bike's Presta valve↔? with this adaptor↔? you can install those parts freely. <br />Suitable for bikes with Presta valve<br />With built-in rubber sealing ring to prevent air leakage<br />Full brass + rubber ring (ensure good sealing)<br />Color: bronze <br />Material: metal <br />Size: about 15 x 9.6 x 9.6 mm <br />Thread diameter: 7.63 mm <br />Valve diameter: about 4.56 mm<br />1 x Valve Adaptor<br /><img src="http://img6.eachbuyer.com/x22/p33/bt153_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x22/p33/bt153_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x22/p33/bt153_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x22/p33/bt153_4.jpg" />