Perun Side carriers for Ducati DesertXFits all Ducati DesertX bikes with stock seat or OEM Rally seat and with the stock silencer or Termignoni silencer. May fit with smaller silencer too, won't fit if bigger silencers are installed. Doesn't fit with Ducati Aux tank or any pannier racks. IMPORTANT if you have Gen1 Perun moto Top luggage rack, you need updated Side supports. Difference between Gen1 and Gen2 side supports Unique and durable mounting system side supports are made of