Key features

• •【20L/32L LARGE CAPACITY BIKE RACK BAG】 This OFFBONDAGE rear bike rack bag offers 20L standard storage and an expandable 32L large capacity, perfect for commuting, long rides, or travel. The spacious main compartment, side expansion and water bottle holder design keep your essentials organized—whether it's repair tools, clothes, food, drinks. Ideal as a bike rack bag for ebikes, road bikes, mountain bikes, or daily commuters.
• •【WATERPROOF HARD SHELL WITH RAIN COVER】 Made from EVA hard shell with PU coating, this rear rack bike bag is lightweight, sturdy, and water-resistant. The solid construction prevents deformation, while the included rain cover provides extra protection in heavy rain. A must-have bike pannier & rack trunk for all-weather riding.
• •【REFLECTIVE & SAFE NIGHT CYCLING】 Designed with multiple reflective strips on different sides, this bike rear rack bag increases visibility at night, ensuring safer rides. Combined with a secure mounting system, it's a reliable choice for city commuting or outdoor adventures.
• •【EASY INSTALLATION & UNIVERSAL FIT】 With strong Velcro straps, the bike saddle bags for rear rack can be installed or removed within seconds. Fits most bike racks & bags systems, including ebike bags for rear rack, hybrid, and gravel bikes. No tools required—stable, secure, and hassle-free.
• •【PORTABLE WITH SHOULDER STRAP & HANDLE】 More than just a bike cargo bag, it doubles as a travel companion. Equipped with a shoulder strap and handle, you can easily carry it off the bike for shopping, office, or short trips. A versatile bag for bike rear rack, perfect for commuters, campers, and travelers.