 
             
            Product Description
Box One Alloy Single Speed Cogs are CNC-machined from long-wearing 7075-T6 aluminum alloy and are designed to fit Shimano compatible cassette hubs and have a 5mm wide inner base, giving a more solid connection to the cassette body. The alloy cogs are anodized black with laser-etched graphics.
 
                 
                 
                 SOURCE REWARDS
SOURCE REWARDS 
  
 
  
 
 
       
    