Registered Forum User
Big Twin
Posts: 1,973
Join Date: Apr 2004
Location: West Sussex
Mood: Train comes and I know its destination
Dave, I've got a DP Tank Bag for a 916/996/998 on my Triple 9 (it was dead cheap). Never had any bother with it.
I assume the one for the 999 is similar (unzip it and it doubles in size, etc).
Works well for me.