Orders under $29.99 ship for $4.99, while orders of $29.99 and above enjoy free shipping (3–5 business days). $10 extra applies for bulky items.
In-stock items ship from our U.S. warehouse in 3–5 business days; international orders take 7–12 business days when U.S. stock is unavailable.
We offer a 30-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email-contact@rockbrosus.com
Estimated Delivery Timeline
This 100% waterproof bike downtube bag uses high-frequency seamless welding to fully block rain and splashes, keeping your gear dry in all weather conditions. With a 1.9L capacity, it easily holds daily ride essentials like tools, phone, or wallet. A rigid PP support panel prevents deformation, while the slim, frame-hugging profile avoids leg contact for a stable, comfortable ride—perfect for commuting and everyday cycling.
ROCKBROS
1.9L
Black
Explore Boundlessly, Ride Passionately.
Enjoy Cycling, Enjoy ROCKBROS.
Let the rhythm of rolling wheels become the soundtrack of freedom and joy.
