Rockbros AS-152 Down Tube Bag – Waterproof, Black

The Rockbros AS-152 Down Tube Bag is a durable and waterproof storage solution designed for cyclists who need quick access to essentials without compromising aerodynamics. Crafted from high-quality PU and EVA composite material, this bag offers IPX4 splash-proof protection, keeping your items dry during light rain or road spray. Its slim profile attaches securely to the down tube of most bicycle frames using adjustable hook-and-loop straps, ensuring a stable fit without tools.

Advantages

This bag combines practicality with sleek design. The laminated zipper closure provides reliable sealing against moisture, while the internal mesh pocket helps organize small items like keys, tools, or snacks. Reflective Rockbros logo enhances visibility in low-light conditions, adding a safety element to your ride. The lightweight construction (approx. 170 g) and pressure-resistant material ensure long-lasting performance.

Suitable for

• Cyclists needing extra storage for daily commutes or long-distance rides
• Mountain bikers and road cyclists who value a low-profile, aerodynamic accessory
• Anyone requiring a waterproof bag for tools, phone, or energy bars

Key specifications

• Brand: Rockbros
• Model: AS-152
• Product Type: Bicycle Frame Bag
• Mounting Position: Down Tube
• Material: PU + EVA Composite
• Waterproof Rating: IPX4 (Splash-proof)
• Capacity: 1.5 L
• Closure: Laminated Zipper
• Attachment: Adjustable Hook-and-Loop Straps
• Colour: Black
• Reflective Elements: Rockbros Logo
• Internal Organization: 1x Mesh Pocket
• Compatibility: Universal (fits most frames)
• Design: Slim Profile, Aerodynamic
• Durability: Wear-resistant, Pressure-resistant
• Installation: Tool-free
• Weight: Approx. 170 g
• Dimensions: 260 x 90 x 70 mm (L x H x W)

Recommendations

For optimal performance, ensure the straps are tightly secured to prevent movement during rides. This bag is ideal for carrying small, lightweight items; avoid overloading to maintain frame stability. Clean with a damp cloth and store in a dry place when not in use.