WINPRIM Bike Rack Bag with Rain Cover – 13L Waterproof Rear Trunk Bag for Bicycle & E-Bike, Saddle & Shoulder Bag for Commuting, Bike Basket Storage,

Details

• 【Smartly Organized with Expandable Side Pockets】Built for efficient storage, this 13L bike trunk bag features a spacious main compartment, mesh interior pockets, and two expandable side compartments for tools, clothes, or snacks. Whether you're commuting, shopping, or on a weekend ride, this bike rear rack bag adapts to your needs without bulk.
• 【Waterproof Fabric + Rain Cover for Double Protection】Crafted with waterproof Oxford fabric and paired with a high-visibility rain cover, this bicycle bag keeps your gear dry in sudden showers. From ebike errands to long-distance touring, you can ride with confidence in any weather.
• 【3-in-1 Convertible: Rack Bag, Saddle Bag & Shoulder Bag】Easily transforms between bike trunk bag, shoulder bag, and carry-on with the included strap and padded handle. A perfect companion for commuters, campers, and outdoor explorers who need flexibility on and off the bike.
• 【Secure & Universal Mounting System】Features reinforced hook-and-loop straps and bottom buckle loops for extra stability, preventing swaying on bumpy roads. Fits securely on most rear racks—fat bikes, e-bikes, hybrids, and adult road bikes—making it a reliable bicycle accessory for any rider.
• 【Built-In Safety Details for Night Riding】Equipped with reflective strips on multiple sides and a rear loop for taillight attachment, this bag boosts nighttime visibility. Whether you're an early commuter or evening cyclist, you’ll stay seen and safe during low-light rides.