Perfect refit accessories for your fixed gear bike!<br> <br> Features:<br> Made of durable aluminium alloy.<br> 36 holes design.<br> Suitable for fixed gear bike.<br> Fully functioned for daily use or fancy movement tricks.<br> <br> Specifications:<br> Material: Aluminium alloy<br> Length: 140mm (Front)， 170mm (Rear)<br> Weight: 273g / 9.6oz (Front)， 425g / 15oz (Rear)<br> <br> Package List:<br> 1 * Front Hub<br> 1 * Rear Hub<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>