Reflective Bike Top Tube Bag | Waterproof EVA Hard Shell Frame Bag for Road & Mountain Bikes

Reflective 1.5L Storage for Everyday Rides

Keep your phone, wallet, keys, power bank and small bike tools protected and within easy reach. The STAR UNION Reflective Bike Top Tube Bag combines a rigid EVA hard shell, waterproof PU exterior and reflective finish in a compact frame-mounted design for road bikes, mountain bikes and e-bikes.

Why Riders Choose It

Reflective Night Visibility
The holographic reflective outer fabric becomes highly visible when illuminated, helping increase visibility during evening commutes and low-light rides.

Rigid EVA Hard Shell
The structured EVA shell helps the bag maintain its shape while providing added protection against daily bumps, pressure and road debris.

1.5L Everyday Storage
The spacious interior holds phones, wallets, keys, cards, gloves, power banks, small repair tools and other daily cycling essentials.

Waterproof Double-Zipper Design
The waterproof PU exterior and seamless double zipper help protect your belongings from rain, road spray and changing weather conditions.

Stable Two-Strap Installation
Two wide adjustable hook-and-loop straps provide quick, tool-free installation and help keep the bag stable while riding.

Fit and Compatibility

Designed for top-tube mounting on most road bikes, mountain bikes and e-bikes. Frame shapes and cable positions may vary, so please compare the available mounting space on your bike with the product dimensions before ordering.

Specifications

• Product Type: Bike Top Tube Bag
• Material: EVA + PU
• Capacity: 1.5L
• Size: 9.1 × 3.9 × 2.8 in
• Closure: Waterproof Double Zipper
• Installation: 2 Adjustable Hook-and-Loop Straps
• Mounting Position: Top Tube
• Compatibility: Road Bikes, Mountain Bikes and E-Bikes

Package Includes

• 1 × Reflective Bike Top Tube Bag

Cycling accessories shown in the images are not included.

Frequently Asked Questions

Will it fit my bike?
It fits most standard road bike, mountain bike and e-bike top tubes. Please compare the available frame space with the product dimensions before ordering.

Is the bag waterproof?
The waterproof exterior and double zipper help protect the contents from rain and road spray. Do not submerge the bag in water.

What can the 1.5L bag hold?
It is suitable for phones, wallets, keys, cards, power banks, gloves and compact bicycle repair tools.