Tankbags can be problematic but really useful on Adventure bikes. I found it hard to find one that worked for me on Project DRZ so we made our own.

Developed over a couple of years, adapted and refined.

An Adventure tank bag doesn't need to be big, just the right size.

It also needs to be;

• Out of the way when standing
• No fiddle when it comes to refuelling
• Rugged, uip to the rigours of dirt riding.
  
• Easy acess
• Lightweight
• Stable on bumps

Features:

• Foam and 500 denier Cordura® fabric sandwich construction.
• No need to remove or touch the tank bag or harness on refuelling on most bikes.
• Top access, via large tooth, self repairing zip.
• Waterproof cover secreted in pocket under bag, can't blow away.
• Clear rectangular top panel
• Designed to stay out of the way when riding standing
• 5 Year warranty
• Lightweight
• Reflective side trim
•  

but

hoose between

• Small hole harness to fit plastic fuel tanks such as Safari or Acerbis with a screw cap.
• Large hole hanress for 'aircraft' style fillers on most larger Adventure bikes.