Rolon Chain Sprocket kit for KTM 390 Duke/RC
Part number: HXRC268
Chain: 112L
Front Sprocket Theet:15
Rear Sprocket Teeth:45
Rear Sproket hole: 6
Maintenance 
Clean the chain with Kerosin or Liqui Moly chain cleaner
Lube the chain with Liqui Moly fully synthetic chain lube or gear oil 90
Clean and Lube the chain every 450-600 Km depend upon weather and riding condition 
Warranty