The Best Bike Trunk Bag of 2023

Expandable bike bag with divided main compartment and expandable top

2 side panels with expandable panniers add even more storage space

600-denier polyester construction with rigid molded side panels

Shoulder strap for easy carrying; RedLite clip and elastic top bungees

1,380 cubic inches of storage; measures 14.5 x 8.5 x 9.8 inches (W x H x D)

1 Divided Main with Multi-stage, Expandable Top, Two Side with Expandable Panniers

1160 g / 2.53 lbs

20.2 l / Capacity 1380ci

420 Denier Nylon

Water Bottle Holder, Shoulder Strap, Carrying Handle, 3M Reflective Strip, RedLite Clip, Elastic Top Bungees

* MTX Quick Track compatible trunk bag featuring a divided main compartment constructed with a unique process of combining rigid panels and flexible fabric for structure and water repellency*

The Package Height Of The Product Is 15 Inches

The Package Length Of The Product Is 20 Inches

The Package Width Of The Product Is 15 Inches

WATER RESISTANT: RockBros bike trunk bag made of carbon composite leather which is strong water resistant and durable.

FOLDABLE CAPACITY: Large capacity bicycle bags rear rack can be unfolded with zippers to a bike pannier when you need more capacity.

MULTIFUNCTION: Delicate bike bags comes with 2 shoulder straps can use as messenger bag. Portable design convenience your travel life.

THICKEN PAD REDUCING SHOCK: Padded inside reducing shock while cycling. Detachable partition for usage flexibility.

INTERATED BODY FRAME: Hard to deflective during using.Protect clothes, shoes, phone, clothes, shoes, phone, cameras, kettle and other belongs into the bike trunk bag confidently.

Made with 300D polyester and PU leather, padded with strong HDPE board and rigid EVA foam, solid, durable and in good shape

Fixed securely with 4 durable Velcro straps, Easy mount and quick release. Fit most of road or mountain bikes' Racks

8 liters capacity, spacious main compartment, well designed structure for better organization of cycling essentials, tools and accessories

Versatile usage, a bicycle rear rack bag, a handbag with built-in carrying handle or a messenger bag with a included shoulder strap

2 reflective elements and taillight compatible for enhancing your visibility at night or in low light situations.

{Safety Riding} Double brightness LED tail lamp and reflective trim improve visibility, help to ride securely in dark or at night.(2 AAA batteries not included)

{Insulated Inner} Thick aluminum film with 5MM EPE insulation material keeps your cold drink or warm food having a good taste for hours.

{Water Resistant} This cycling pannier bag is made of superior water resistant fabric. Effectively stay away from the humid climate.

{Size & Capacity} Size 12.5*6.3*6.3 in. Capacity 8 liter.

{Installation & portable} With adjustable mounting straps for quick installation and removal. Fits for most of racks, such as mountain bikes, cruiser bike, e-bike, etc. Use shoulder strip to take this truck cooler bag with you if you go to the beach or strolling.

Large Reflective Area & Safe Night Riding --- This bicycle rack bag is designed with large area reflective surface to increase visibility at night, together with the rear loop for taillight(not included), which provide bikers a safer night riding. An ideal Thanksgiving and Christmas gift for bikers.

Superior Quality & Rainproof Material --- The bike rear pack is made of 600D Oxford fabric coated with PU, which is rainproof and easy to clean. And laminated waterproof zipper help to prevent rain from penetrating in. Exquisite workmanship, durable and firm, provide a long service life.

8L Large Capacity & Great Organizer --- This bike trunk bag includes a main compartment, 2 side pocket, a top zip pouch and 2 inner mesh pocket, which help to keep your essentials well organized. Dimension of 15 x 6.3 x 6.3inch (L x W x H), large enough to store wallet, phones, towels, small tools, outdoor products, water bottles, maps, food, etc.

Multifunctional & Versatile Application --- Not only can be used as bike rack bag, but also it is a stylish commuter chest bag when take out the hidden shoulder strap and get it hooked. Moreover, the comfortable handle loop can also change it to be a handbag. Easy to take it away anytime when finish your riding.

Easy Tool Free Installation --- This bicycle rear seat bag come with 4 adjustable hook and loop fastener straps, make it easy to be installed and unloaded in seconds, suitable for most bicycle racks, such as mountain bike, road bike, etc.

ALWAYS READY FOR ADVENTURE - Kolo Sports Bike Panniers are professionally designed to provide a reliable trunk bag that can withstand all weathers – rain or shine! Each bag is crafted from Durable and Water-Resistant Nylon Fabric and equipped with Foam-Padded Bottom and Strong Velcro for maximum protection and stability.

EXTRA LARGE STORAGE CAPACITY - Our Bike Saddle Bags have multiple compartments and a spacious interior where you can store all your road essentials such as tools, snacks, and more. You can ensure that your valuables are secured as it is equipped with 3 zippered pockets. It also comes with a dedicated bottle case with an elastic drawstring closure.

REFLECTORS FOR GOOD VISIBILITY - The reflective straps on this bag luggage ensure that you have good road visibility. It also has a strap at the rear part where you can simply attach a bike tail light. This makes sure that you are completely equipped with the gears you need for a night ride – keeping you safe and going!

CONVERTIBLE TO A TOTE BAG - With the included shoulder straps, you can use this bike bag as a useful tote bag, travel bag, messenger bag, or grocery bag. You can take it along at beach excursions, hiking with friends, camping in the woods, picnicking in the park, field trips, and on many other occasions. It is extremely versatile!

A UNISEX DESIGN, A GREAT GIFT IDEA - It comes in nice sleeve packaging which makes it always gift-ready! Get this for your cycling-buddies, friends, and loved ones for their birthdays, holidays, and even if there are no occasions. We guarantee your satisfaction as we utilize smart engineering to come up with its very ergonomic design.

High-quality 300D polyester construction. Solid, durable and sturdy. Water repellent fabric, wearable and tear resistance. Measures 6.3 x 7 x 12.7 inches (W x H x L) and weighs 0.95 pounds.

Thick and strong padded HDPE board and rigid EVA foam added inside the bottom of the bike bag - anti-skip and abrasion resistant. Keep the bike bag in good shape when empty.

7L capacity, spacious storage compartment, well designed structure for better organization of cycling essentials, tools and accessories. Fixed securely with 4 durable Velcro straps, easy mount and quick release.

Convenient bike rear seat trunk bag. Attached with a shoulder srap and built-in carrying handle, which can work as commuter bag or a handbag.

Reflective elements and tailight compatible for better visibility at night or in low light. Rain cover attached for rainy day. Avoid your bike bag away from water and mud on rainy days when cycling.

【Waterproof Material & Insulated Lining】 The bike cooler for rear rack is made of water-resistant fabric with protective padding that provide a cushion to reduce shock when riding on road. Insulated lining keeps your beverage and food cold or warm for hours.

【8L Large Capacity】12.5 x 6.1 x 6.3inch. The bike trunk bag includes a spacious main compartment, a top pouch, a side pocket and inner mesh pocket, which help to keep your essentials well organized. It’s quite convenient for medium and long distance riding.

【Safety Design】This bike rear seat bag is designed with two side reflective logos, all-around reflective pipeline and back reflective strip with taillight loop (not included taillight), which provide you a safer night riding.

【Easy Tool Free Installation】2 adjustable Velcro straps and 2 fixed buckles ensure stability, also make it easy to be installed and unloaded in seconds. This Bag fit most of road or mountain bikes' racks, such as mountain bike, cruiser bike, e-bike, etc.

【Multifunctional Use】This bike rear rack bag can be a bike cooler bag, a shopping bag and shoulder bag with an removable, adjustable shoulder strap. After parking the bike, you can take this bike rack bag with you and don't worry about it being stolen.