ROCKBROS Bike Bag 4L-7L for Brompton Folding Bike
- Free Shipping:📦
Shipping Info
- US Warehouse In-stock: 3–4 business days
- 🌍International Shipping (if US out of stock): 7–10 business days
🚲 Bicycle Shipping
Delivery Times:
- Standard: 40–60 business days
- Expedited: 18–20 business days
Shipping Fees:
- Small Bikes: $20 (Standard) | $70 (Expedited)
- Large Bikes: $100 (Standard) | $250 (Expedited)
No extra taxes. Choose the option that works best for you.
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. EU customers have a 14-day no-questions-asked return right. 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 service@rockbrosbike.us.
At ROCKBROS, we offer a worry-free 1-year warranty to ensure your satisfaction. Whether it's a defect or product issue, simply reach out to us at service@rockbrosbike.us with your order details. We'll handle the rest to make sure your experience is smooth and hassle-free.
Product FEATURES
Expandable Storage for City Rides Short Trips
Designed for folding bikes, this multifunctional bag combines adjustable capacity, waterproof protection, and portable convenience. Whether you're commuting to work or heading out on a short adventure, it's ready to adapt to your needs ¡ª and your style.
Key Features:
Adjustable Capacity: Expands from 4L to 9L with a simple clasp adjustment for flexible packing
Easy Installation: Mounts in minutes with provided tools; stays attached even when folding the bike
Waterproof & Leakproof: Durable outer shell and leak-resistant lining protect against rain and spills
Short-Term Insulation: Aluminum foil lining helps preserve food temperature for short trips
Dual Use Design: Doubles as a stylish crossbody bag with hidden mount compartment
Smart Storage Layout: Separate compartments keep items organized and easily accessible
Hidden Mount Design: Zip up the mounting base for a clean, everyday look when worn off the bike
Expandable Storage for City Rides Short Trips
Designed for folding bikes, this multifunctional bag combines adjustable capacity, waterproof protection, and portable convenience. Whether you're commuting to work or heading out on a short adventure, it's ready to adapt to your needs ¡ª and your style.
Key Features:
Adjustable Capacity: Expands from 4L to 9L with a simple clasp adjustment for flexible packing
Easy Installation: Mounts in minutes with provided tools; stays attached even when folding the bike
Waterproof & Leakproof: Durable outer shell and leak-resistant lining protect against rain and spills
Short-Term Insulation: Aluminum foil lining helps preserve food temperature for short trips
Dual Use Design: Doubles as a stylish crossbody bag with hidden mount compartment
Smart Storage Layout: Separate compartments keep items organized and easily accessible
Hidden Mount Design: Zip up the mounting base for a clean, everyday look when worn off the bike