ROCKBROS Waterproof Magnetic Bike Top Tube Bag

Product Description

Introduction

Keep riding essentials conveniently stored on your bike with the ROCKBROS Magnetic Waterproof Top Tube Bag. Designed for mounting along a bicycle's top tube, this compact frame bag provides accessible storage without requiring a backpack or larger bike bag.

The bag uses a magnetic flap design for quick opening and easier one-handed access. Product imagery shows two capacity options, 0.6L and 0.9L, allowing riders to choose the storage size that better fits their needs. Its documented construction combines nylon, 600D polyester, and TPU materials, with a rainproof design intended to help protect stored items during rides.

Key Benefits

• Magnetic flap provides quick access to stored items
• Compact top-tube mounting keeps essentials within reach
• Rainproof construction helps protect contents during wet riding conditions
• Two capacity options shown: 0.6L and 0.9L
• Streamlined shape fits along the bicycle frame
• Suitable for carrying small cycling and everyday essentials
• Strap-based mounting shown in supplied product imagery
• Designed for cycling, mountain biking, and everyday riding

Specifications

• Brand: ROCKBROS
• Model Number: AS-133
• Product Type: Top Tube Bag / Bottom Tube Bag
• Function: Rainproof
• Material: Nylon, 600D Polyester + TPU
• Available Capacities Shown: 0.6L and 0.9L
• Closure Design: Magnetic Flap
• Mounting Style: Frame-mounted straps shown in supplied images
• Color Shown: Black
• Origin: Mainland China
• High-Concerned Chemical: None
• Exact Product Dimensions: Unknown
• Product Weight: Unknown
• Exact Waterproof Rating: Unknown

The supplier file specifically identifies the product as a waterproof top tube bag and documents its rainproof function, materials, model number, and bag type.

Features

Magnetic Flap Opening

The upper flap uses a magnetic design intended to simplify opening the bag and provide convenient access to items while riding or stopped.

Rainproof Construction

The supplier specifications identify the bag's function as rainproof. The supplied imagery also shows the exterior exposed to water. No specific IP waterproof rating is provided, so no IP-level protection is claimed.

Durable Multi-Material Design

Constructed from documented nylon, 600D polyester, and TPU materials for a structured cycling storage design.

Two Capacity Options

Supplied product imagery shows 0.6L and 0.9L versions, giving riders a choice between two compact storage capacities.

Bike Frame Mounting

The supplied images show the bag positioned along the bicycle's top tube with straps securing it to the frame.

Why Buy From SuperFamily USA

SuperFamily USA focuses on practical products with clear, straightforward product information. This listing is based on the supplied product specifications and imagery so you can understand the product's documented materials, design, and features before purchasing.

Add convenient, compact storage to your bicycle with the ROCKBROS Waterproof Magnetic Bike Top Tube Bag. Select your preferred available capacity and keep your riding essentials close at hand.

Magnetic flip Easy to open

Compared to the old model's zipper, the magnetic flap design simplfies the process of opening the bag, making it easy to access items even witn one hand.

Strong suction magnet is not easy to shake open

The sandwich has a built-in high-suction magnet, no need to worry about vibration and bumps during riding and accidentally open the bag.

Not afraid of rain and no water seepage

The overall use of fabric waterproof technology, high-frequency seamless welding, effective anti-seepage, daily commuting and long-distance travel can easily cope with bad weather.

Velcro is convenient and firm

Use two high-viscosity non-slip velcro straps to fix it easily and labor-saving (can be cut to the appropriate length as needed)

Narrow shape Ride without touching legs

Streamlined and narrow-sided design reduces wind resistance and does not touch the legs.

Three-dimensional support Empty bag is also stylish

The overall is thin and not bloated, the shape is three dimensional, the PP sheet on all sides supports the body and does not collapse softly.

Scratch resistant and not easy to age

Daily friction is not easy to leave marks wind and rain are not easy to age.