Aluminium hub tire

 3" weight 49g(1.72 oz) :   $12.5/each 

 3.5" weight 54g(1.9 oz) :   $15/each 

 4" weight 80g(2.81 oz) :       $17.5/each  

4.5" weight 103g(3.65 oz) :    $20/each 

5" weight 121g(4.29oz) :       $22.5/each

Note: sold as singles, not pairs, so order 2 if you need 2