I can now use my T-Bag on the emp3 rack. Until the passenger back rest was raised using Steve's riser, the T-Bag wouldn't fit. I was considering a trunk until my riser came in the mail and I tried the bag again. I really like the T Bag as it secures in 30 seconds, has a totally waterproof rain/dust cover, and an extendable handle and castors, and plenty of carrying capacity. Thanks guys, I'm ready to go..