







ROCKBROS Bike Rear Rack Bag Waterproof Multifunctional Bike Trunk Bag

ROCKBROS Bike Rear Rack Bag Waterproof Multifunctional Bike Trunk Bag
The ROCKBROS Bike Rear Rack Bag offers a durable, waterproof design ideal for protecting your gear in all weather conditions. Crafted from high-quality leather and robust materials, this multifunctional trunk bag provides ample storage space with organized compartments, making it perfect for commuting or long rides. Its secure attachment system ensures stability on your bike’s rear rack, while reflective elements enhance visibility for safer night cycling. Combining practicality with rugged style, this bag is an essential accessory for serious cyclists seeking reliable storage solutions.
Features
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Water Resistant & Durable
Crafted from carbon composite leather, this ROCKBROS bike trunk bag offers excellent water resistance and long-lasting durability, ideal for unexpected weather conditions. -
Expandable Storage up to 35L
Need extra room? Simply unzip the side compartments to expand this bag into a full bike pannier, offering up to 35 liters of storage for groceries, gear, or commuting essentials. -
Multifunctional Design
Includes two detachable shoulder straps, allowing you to easily convert the bag into a messenger bag or shoulder bag when off the bike—perfect for daily commuting or weekend trips. -
Shock-Absorbing Interior
Padded compartments inside reduce impact and protect your belongings while riding. A removable divider lets you organize your space with flexibility. -
Integrated Hard-Shell Structure
Built-in rigid body frame keeps the rear bike bag in shape and shields your items—like clothes, camera, phone, or tools—from deformation or damage.
Product Information
Feature | Description |
Brand | ROCKBROS |
Material | Nylon+Microfiber+EVA |
Capacity(Before Expansion) | ≈17L |
Capacity(After Expansion) | ≈35L |
Weight | ≈1086g |
Color | Black |
Style | Bike Rack Bag |
Strap Type | Adjustable |
Closure Type | Zipper |
Number of Compartments | 5 |


ROCKBROS Bike Rear Rack Bag Waterproof Multifunctional Bike Trunk Bag
Sale price$83.91 USD