Also keep in mind that some bags can be rested on the pillion seat while others need a luggage rack. There are backpack straps and roller wheels. Harley-Davidson Universal Roller Bag: This bag, which is 17. So make sure that the bar is neither too tall nor too wide for the bag. Mounting systems: Your backrest bag needs to fit snugly on to the bar.5 cubic feet of volume. Rigid vs. Its notable features are 1050-denier ballistic fabric - 50 litre capacity bag converts to backpack with straps fits on most cruisers The other popular backrest bags available in the market are: Willie &amp; Max BlackHawk Max Pax, Tour Master Cruiser II Sissybar Bag Large, T-Bags Universal Lone Star, Saddlemen Super Taos Sissybar Bag, River Road Classic Bike Pack.Travel Case, Rev-Pack Rest Pack and Nelson-Rigg CTB-900 Deluxe Tourer.5 inches wide ar two-piece combination of Jumbo Pack and Roll Bag. -- Cordura nylon exterior. Capacity: Bigger does not mean better. Some of the popular brands available in the market are: 1. This can result in poor handling and even loss of control. Dowco Rally Pack Universal Luggage System: The important features of this backrest bag which is 17 inches high and 14. soft. It is worth considering whether you would want to have a rigid or a soft bag. Marsee Products 50-Liter Cruiser Bar Bag: This is a big bag, 22 inches high, 17 inches wide and 8 inches deep. Rigid bags have a definite advantage: they fit better and are easier to pack and unpack. The features that you need to look at while buying a motorcycle backrest bag are: 1.The motorcycle backrest bags not only provide valuable support but can be used to carry light items on long cruises. 3.5 cubic foot capacity -- 1200-denier Cordura exterior -- Fully lined interior for weatherproofing and durability.Make sure that the straps are padded and roller ratchet buckle with swivel for belt wheels have a low profile. Convenience: Most backrest bags now have additional features.8 cubic foot interior with small pockets and compartments.5 inches high, 16 inches wide and 10 inches deep, has the following features.Waterproof Climashield fabric.For example, leather may look better but heavy-grade nylon is probably more durable.Front zip opening for cargo.Metal handles and rollerblade wheels. Loading a big heavy bag on the back of your bike can alter a motorcycle's centre of gravity. Weatherproofing and durability.Most bags have their own waterproof covering. You can also put them on the passenger seat and use it as a backrest. 4. It is important to keep the bag light, because a heavy load at a high point in the bag can have an adverse effect on low-speed handling. Kuryakyn Full Dresser Bag: This bag, which is 16 inches wide, 11 inches deep and 28 inches high, has the following feature.But you should be selective about the weather proofing material.