This is the lightest and strongest 520 sprocket kit on the market today.  

Kit is complete with: 

• one Chromoly Steel Countershaft Sprocket,
   
• one AFAM Workslite Hard Anodized Alloy Rear Sprocket
   
• one premium D.I.D. 520VM Series Gold X'ring Chain (cut to correct length)
   
• one RIVET Style Master Link. (Clip links are available for purchase)