JXFUKAL Rear Bike Rack Bag with Rain Cover, 7L/9L/10L/12L

Product Overview

The JXFUKAL Rear Bike Rack Bag is a thoughtfully engineered cycling accessory designed to meet the demands of modern riders—whether you’re navigating city streets, embarking on weekend adventures, or commuting daily. Engineered with versatility and durability in mind, this saddle bag offers four distinct capacity options (7L, 9L, 10L, and 12L), allowing cyclists to select the size that best matches their storage needs. Ideal for both standard bicycles and e-bikes, the rack-mounted design ensures secure attachment to most rear bike racks, providing stable, hands-free storage without compromising balance.

Constructed from high-quality waterproof fabric, the bag protects your belongings from rain, splashes, and light moisture—making it a reliable companion in unpredictable weather. A detachable rain cover is included, offering an extra layer of protection during heavy downpours. The thoughtful inclusion of reflective elements enhances visibility during low-light conditions, while adjustable cord straps ensure a snug fit that minimizes movement and noise during transit.

Whether you’re hauling work essentials, groceries, camping gear, or travel accessories, this trunk carrier delivers practicality without sacrificing performance. Its sleek, streamlined design maintains aerodynamic efficiency, and the centered weight distribution helps preserve your bike’s handling and stability—even at higher speeds or over rough terrain.

Key Features

• Multiple Size Options: Choose from 7L, 9L, 10L, or 12L capacities to match your load requirements—perfect for everything from daily errands to extended trips.
• Waterproof Protection: Built with water-resistant material and includes a removable rain cover to keep contents dry in wet conditions.
• Universal Rear Rack Compatibility: Fits most standard rear bike racks, making it suitable for a wide range of bicycles and electric bikes.
• Enhanced Safety with Reflective Elements: Integrated reflectors improve rider visibility in dim lighting, increasing safety during early morning or evening rides.
• Adjustable & Secure Fastening: Equipped with adjustable cord straps that allow for a custom-tight fit, reducing sway and preventing damage from shifting cargo.
• Durable, Long-Lasting Build: Crafted from robust fabric designed to endure regular use, exposure to the elements, and frequent mounting/dismounting.

Technical Specifications

• Available Capacities: 7L, 9L, 10L, 12L
• Primary Material: Waterproof fabric with included detachable rain cover
• Mounting System: Universal rear rack attachment (rack not included)
• Safety Enhancements: Integrated reflector(s) for improved nighttime visibility
• Fastening Mechanism: Adjustable cord straps for secure and customizable fit
• Compatibility: Designed for standard rear bike racks; compatible with most bicycles and e-bikes

Benefits & Use Cases

This rear bike rack bag stands out as a smart solution for urban commuters who need dependable storage without the bulk of a backpack. Carrying laptop sleeves, lunch containers, gym clothes, or folded umbrellas becomes effortless thanks to the spacious interior and secure closure system. The waterproof construction ensures peace of mind when riding through unexpected showers or damp roads, while the rain cover adds an extra safeguard for sensitive items like electronics or documents.

For longer journeys or weekend getaways, the larger capacity models (10L and 12L) offer room for camping supplies, tools, extra clothing, or even small cooler packs. The centered load placement over the rear wheel helps maintain optimal bike balance, which is especially beneficial when carrying heavier items. Unlike panniers that extend beyond the frame, this rack bag remains close to the bike, improving maneuverability and reducing wind resistance.

Cyclists who prioritize safety will appreciate the integrated reflectors, which increase visibility to drivers and other road users during dawn, dusk, or night rides. The adjustable securing cords not only prevent excessive bouncing but also help protect the bag and its contents from abrasion against the rack or frame. Because the bag attaches directly to the rack—rather than being clipped onto the seat post or handlebars—it avoids interference with braking systems or saddle adjustments.

Additionally, the modular nature of the design means you can pair this rack bag with other accessories like front baskets or handlebar bags for a fully customized storage setup. Whether you’re a daily commuter, fitness rider, or outdoor adventurer, this versatile trunk carrier adapts to your lifestyle with minimal fuss and maximum reliability.

Important Notes

• The detachable rain cover must be properly deployed during wet weather to ensure full waterproof protection.
• Always verify compatibility with your specific bike rack model before installation, though universal mounting is supported across most standard frames.
• Package typically includes: one rear rack bag, one rain cover, and adjustable securing cords. Exact contents may vary slightly depending on seller.
• For best results, tighten all straps evenly and securely before each ride to prevent shifting or potential damage.
• Do not exceed your bicycle’s recommended rear rack weight limit—consult your bike manufacturer’s guidelines for safe carrying capacity.