Large capacity – 1.9 liters: ROCKBROS bike bag with a capacity of approximately 1.9 liters for a cell phone, sunglasses, mini pump, tools, and keys. A side zipper provides quick access, and internal mesh pockets keep things organized. Perfect as a top tube bag for racing, MTB, and trekking bikes.

- Impact-resistant and stable: Multiple PE support plates make the bike bag dimensionally stable and durable. It reliably protects your smartphone, power bank, and sensitive accessories from pressure, vibration, and impact – even on rough mountain bike trails.

- Durable and long-lasting: Made of durable polyester, it's scratch-resistant, tear-resistant, and warp-resistant. Smooth zipper closure is easy to operate, even with gloves on. High-quality shoulder bag for commuters and travelers.

- Leg-friendly design: only 5 cm wide, this frame bag stays out of the way while pedaling and reduces air resistance. A practical cycling accessory that combines speed and comfort, perfect for long bike rides.

- Easy and safe assembly: thanks to 4 stable POM buckles and a Velcro fastener, it attaches to the bike frame in seconds.

- Fits all common bicycle frames, does not wobble or slip, even during intense riding