??- Color: Black<br />- Material: Aluminum + PVC<br />- Easy installation<br />- Screw diameter: 4mm<br />- Large volume、 can adjust<br />- Holds your water bottle firmly while riding<br />- Great holder cage for your water bottle<br /><br />                                                                                                                                Dimensions: 6.50 in x 3.39 in x 3.03 in (16.5 cm x 8.6 cm x 7.7 cm)<br />Weight: 2.22 oz (63 g)<br /><br />