Main Features:<br />? Aluminum alloy made， longer using time <br />? Diameter: 20mm<br />? Suitable for SHIMANO crankset <br /><br />    Specifications<br />General<br />  Brand: GUB                                                  <br />                        Material: Aluminum Alloy                                                  <br />                        Color: Black，Blue，Gold，Red，Titanium Grey                                                 <br />Basic Information<br />  Product weight: 0.008 kg                                                  <br />                        Package weight: 0.013 kg                                                  <br />                        Product size (L x W x H): 2.80 x 2.80 x 1.20 cm / 1.10 x 1.10 x 0.47 inches                                                  <br />                        Package size (L x W x H): 10.00 x 3.50 x 2.00 cm / 3.94 x 1.38 x 0.79 inches                                                 <br />Package Contents<br />  Package Contents: 1 x GUB G-20 BB Bicycle Bottom Bracket Cups Screw                                                  <br /><br /><br /><br />                                            <br /><br /><br /><br />                                                <br />