ROCKBROS 3L Waterproof Bike Top Tube Bag – Slim Frame Storage Pouch

Keep your riding essentials organized and within easy reach with this slim 3-liter bike top tube bag. Designed for road bikes and mountain bikes, it mounts neatly along the bicycle frame without adding unnecessary bulk.

Made from durable nylon and TPU waterproof fabric, the bag helps protect your belongings from light rain, road spray, dust, and dirt. Its long, narrow shape provides convenient storage for tools, snacks, a phone, wallet, keys, repair accessories, and other small cycling essentials.

The structured construction helps the bag maintain its shape while riding, while the covered design provides added protection for your gear. Its smooth exterior is also easy to wipe clean after wet or dusty rides.

Key Features

• Approximately 3-liter storage capacity
• Slim top tube and frame-mounted design
• Durable nylon and TPU waterproof fabric
• Water-resistant construction
• Lightweight and sturdy design
• Easy-to-clean exterior
• Suitable for road bikes and mountain bikes
• Ideal for tools, snacks, electronics, and personal items

Specifications

Brand: ROCKBROS
Model: AS-043
Material: Nylon and TPU waterproof fabric
Capacity: Approximately 3 liters
Dimensions: Approximately 40 × 6 × 12.5 cm
Weight: Approximately 190 g
Compatibility: Road bikes and mountain bikes
Performance: Water resistant
Closure Design: Covered storage compartment

Please note: This bag is water resistant but should not be considered fully submersible or completely waterproof during prolonged heavy rain.

Important Notes

• Please verify your bicycle frame dimensions before ordering. The elongated design may not be compatible with all bicycle frame sizes.
• The product packaging may experience minor damage during international shipping due to handling by the carrier. This does not affect the quality or functionality of the bag.
• Each bag is carefully inspected before shipment to ensure it arrives in excellent working condition.

SHIPPING AND DELIVERY

FREE SHIPPING

• Order Processing Time:  1-3 Business Days
• Order Delivery Time:     8-14 Business Days

Product Information

Installation size Loading reference

This bag has a large body and fits the body design. It is not suitable for all models.

aerodynamic design

Streamlined design, simple and beautiful, built-in board support in the bag, three-dimensional and stylish

Keel support is more stylish

The built-in keel protects the internal items from being squeezed so that the package body can be firm and not collapsed without loading items.

Full waterproof design

High-density waterproof fabric + laminated seamless splicing rainwater is not easy to penetrate

Large side opening

There are large openings on both sides, convenient for access, and one side is provided with compartments, and small items can be sorted and placed

Multiple hook fixed

Multiple hook fixed car bags are stable and do not shake, quick disassembly and assembly, and more convenient installation

Removable strap

Set up a multi-cell movable strap fixing place, the position of the strap can be adjusted according to the ratio of the frame space

Large capacity large space

The internal capacity can easily place the pumps, personal belongings, car repair tools, etc.

Not only big but long enough

Easily install the kettle, and the streamlined and elongated design solves the problem of carrying long items such as travel pumps

Reflective LOGO

The bag body comes with a LOGO reflective strip, which can provide a clear reflective warning at night

Two options

Choose the right style according to the model