ROCKBROS 9L Bike Trunk Bag, Waterproof Hard Shell Rear Rack Bag, Bicycle Cargo Carrier for Commuting Touring
1. Product Description Upgrade your cycling storage with the ROCKBROS 9L Hard Shell Rear Rack Trunk Bag. Featuring a rigid, waterproof hard shell, this bag shields your electronics, groceries, or cycling gear from impacts and rain. The PU-coated polyester surface paired with double waterproof zippers keeps contents dry even in heavy downpours, while the included rain cover adds an extra layer of storm-ready protection. Four adjustable Velcro straps ensure a secure, rattle-free fit on most rear racks—compatible with mountain, road, hybrid, e-bikes, and gravel setups. When off the bike, convert instantly to a shoulder bag or handbag for commuting, picnics, or travel. Reflective strips and a taillight hook improve visibility for safer night rides. Combining durability, capacity, and multi-use convenience, it’s the ultimate trunk bag for daily commuters and long-distance explorers alike. 2. Product Specifications Brand: ROCKBROS Material: PU + Polyester Hard Shell Capacity: 9 Liters Weight: Approx. 586 g Dimensions: 13.2 × 7.9 × 8.65 in Mount: 4 Adjustable Velcro Straps Features: Double Waterproof Zippers, Rain Cover, Reflective Strips, Taillight Hook
