The best sissy bar saddle bag depends on how much you carry and whether you prefer a two-piece set, a backpack-style bag, or weather-focused storage. Milwaukee Leather’s two-piece set is suited to riders seeking flexible touring storage; the ROSEPLAZA set adds a roll bag and studded styling; and KEMIMOTO’s expandable bag offers multiple carry options and a rain cover. Compare the main differences below, then check your motorcycle’s mounting setup and available space before choosing.
| Bag | Best for | Standout feature |
|---|---|---|
| Milwaukee Leather 2-Piece Set | Flexible touring storage | Strap-mounted two-bag configuration |
| ROSEPLAZA 2-Piece Set | Riders wanting a roll bag | Two bags attach together or separately |
| KEMIMOTO 37L Backrest Bag | Expandable, versatile carrying | 25L–37L capacity and included rain cover |
| Milwaukee Performance Nylon Bag | Large nylon storage | 1200D nylon and backpack straps |
| Milwaukee Leather PVC Bag | Simple single-bag storage | Durable PVC material |
Milwaukee Leather 2-Piece Sissy Bar Set
This two-bag set is best for riders who want flexible storage for commuting, weekend rides, or touring without hard luggage. Its strap-mount design uses multiple mounting straps and reinforced connection points, allowing flexible positioning on a sissy bar or backrest. The listed materials are described as reinforced and weather-resistant; the exterior is also designed to resist dust and wipe clean.
Why it was selected: The two-piece configuration gives riders more carrying options than a single bag, while the strap-mounted setup is intended for a range of sissy bars and backrests. Check the available mounting space and strap arrangement on your motorcycle before purchase. The product information does not specify a capacity, so it may be harder to compare its storage volume with bags that list liters.
ROSEPLAZA Studded Touring Bag Set
Choose this ROSEPLAZA set if you want a two-piece touring setup with a roll bag and studded details. The bags are made from high-quality PVC leather and are fully lined. Flexible straps reach over the roll bag, while adjustable universal straps let both pieces attach to the sissy bar together or separately.
Why it was selected: Separate or combined mounting makes the set useful for riders who want to vary how much luggage they carry. The roll bag also provides another storage piece within the set. The listing does not provide dimensions or a stated capacity, so confirm that the bag size suits your planned load before choosing it. Avoid assuming the straps fit a particular motorcycle without checking the mounting arrangement.
KEMIMOTO 37L Expandable Backrest Bag
This KEMIMOTO bag is best for riders who want expandable capacity and more than one way to carry their luggage. Its stated capacity ranges from 25L to 37L. Features include a rolled-cover design, a bottom shoe compartment, a hidden helmet net, and a shoulder strap. It can be used as a motorcycle tail bag, shoulder bag, crossbody bag, or handbag.
The listing describes a 1680D Oxford cloth body, composite leather shell, waterproof inner liner, sealed waterproof zipper, and included rain cover. Its listed dimensions are 15.75 by 11.42 by 6.3 inches. The listing says it adapts to most motorcycles, but riders should still verify attachment points and fit. The capacity expands, so check its dimensions against the space available when mounted.
Milwaukee Performance Large Nylon Sissy Bar Bag
Choose this bag if you prefer a large nylon option that can also be carried with backpack straps. The listed construction is 1200D nylon, and the product name identifies it as a large sissy bar bag with backpack straps. That makes it a practical candidate for riders who want luggage that can transition off the motorcycle for carrying.
Why it was selected: It offers a different material and carry style from the PVC two-piece sets in this roundup. The listing provides package dimensions of 34.29 by 50.8 by 45.72 centimeters, but these are package dimensions rather than confirmed bag measurements. It does not state capacity or weather protection, so riders needing a precise volume or rain-specific features should compare those details before buying.
Milwaukee Leather Two-Strap PVC Bag
This Milwaukee Leather bag is best for riders who want a straightforward single-bag option rather than a two-piece luggage set. Its listed size is 16 by 19 by 7 inches, and its material is described as durable PVC. Those specifications give shoppers more concrete size information than some listings in this selection.
Why it was selected: The defined dimensions make it easier to check the bag against the available space on a sissy bar or backrest. The product name specifies a two-strap design, but the supplied feature information does not explain detailed mounting steps or weather protection. Confirm that its dimensions and strap arrangement work with your motorcycle before choosing it.
Buying Guide: How to Choose a Sissy Bar Saddle Bag
How much storage do you need?
Start with the gear you expect to carry. A two-piece set can provide flexible packing options, while a single bag may suit a shorter list of essentials. If capacity matters, compare stated dimensions or liters rather than relying only on terms such as “large.” Of these options, the KEMIMOTO lists a 25L–37L capacity, while the Milwaukee Leather PVC bag lists dimensions of 16 by 19 by 7 inches.
Do you want one bag or a set?
Choose a two-piece set if you want to carry luggage in separate pieces or adjust the load between rides. The ROSEPLAZA set can attach together or separately, and the Milwaukee Leather set is designed for flexible touring storage. A single bag may be simpler when you want one main storage piece and do not need a roll bag or second compartment.
Which material and weather details matter?
Compare the specific material and protection features rather than assuming every motorcycle bag is waterproof. The KEMIMOTO lists a waterproof inner liner, sealed zipper, and rain cover. The ROSEPLAZA and Milwaukee Leather single bag list PVC materials, while the Milwaukee Performance option uses 1200D nylon. The supplied details do not establish that the PVC or nylon bags are waterproof.
Will the mounting system fit your motorcycle?
Check your sissy bar or backrest dimensions, strap locations, and clearance before buying. Universal or adjustable straps do not guarantee fit on every motorcycle. Also consider whether the bag might interfere with other luggage or the space available for a passenger.
Frequently Asked Questions
What is a sissy bar saddle bag?
It is a motorcycle luggage bag designed to mount to or sit against a sissy bar or backrest, providing storage behind the rider.
Can a sissy bar bag also be used as a backpack?
Some bags include backpack or shoulder straps. The Milwaukee Performance nylon bag lists backpack straps, and the KEMIMOTO bag lists shoulder and crossbody carry options.
Are PVC motorcycle bags waterproof?
Not necessarily. A PVC material description alone does not confirm waterproof construction. Check for specific features such as a waterproof liner, sealed zipper, or rain cover.
How do I check whether a sissy bar bag will fit?
Compare the bag’s stated dimensions with the available mounting area, and review the strap design. Contact the seller if fit details are unclear.
Is a two-piece bag set better for touring?
A two-piece set can offer more flexible packing than a single bag, but the best choice depends on the amount of gear and mounting space you need.