My Store
Bicycle Rear Rack Bag Mountain Bike 75L Large Capacity Waterproof Multifunctional 3-in-1 Saddle Bag Cycling Bag
Bicycle Rear Rack Bag Mountain Bike 75L Large Capacity Waterproof Multifunctional 3-in-1 Saddle Bag Cycling Bag
Couldn't load pickup availability
Revolutionary 75L Total Storage Capacity for Every Adventure
Experience unparalleled storage flexibility with our premium 75L Bicycle Rear Rack Bag system, designed to transform your mountain bike into the ultimate adventure machine. This comprehensive 3-in-1 storage solution combines a spacious trunk bag with detachable panniers and an additional storage compartment, providing the perfect setup for everything from epic multi-day journeys to practical daily commutes.
Versatile 3-in-1 Modular System Breakdown
Main Trunk Bag (31L)
The central component delivers an impressive 31 liters of well-organized storage space, measuring 12in (31cm) x 5.8in (15cm). This spacious main compartment features multiple internal dividers and organization pockets, allowing for efficient packing and easy access to essential items while on the road.
Twin Side Panniers (22L Each)
The detachable side panniers provide perfectly balanced storage with 22 liters of capacity each. Measuring 13.5in (34cm) x 5.9in (15cm), these substantial panniers offer ample room for clothing, camping gear, or groceries. When fully deployed, the system extends to a total width of 19.2in (49cm), providing a stable and balanced platform for even the heaviest loads.
Expandable Storage Options
With a total system capacity of 75 liters, this versatile bag delivers more usable storage than many touring backpacks, allowing you to carry everything needed for extended cycling adventures without sacrificing performance or comfort.
Premium Waterproof Construction
Engineered for all-weather reliability, our Rear Rack Bag features high-density waterproof materials with sealed seams and waterproof zippers. The durable construction creates an effective barrier against rain, road spray, and unexpected water crossings, ensuring your valuable equipment remains dry and protected regardless of conditions.
The black exterior with high-visibility neon yellow accents not only looks sleek and professional but also enhances safety through increased visibility in low-light conditions. Reflective strips strategically placed on all sides provide additional passive safety during evening rides.
Intelligent Design Features
Every aspect of this exceptional bag system has been carefully engineered to enhance functionality and convenience:
- Secure quick-release mounting system compatible with standard rear racks
- Reinforced structure that maintains shape even when fully loaded
- Multiple external compression straps for securing additional gear
- Elastic cord storage on side panniers for quick-access items
- Padded carrying handles and detachable shoulder straps for off-bike transportation
- Reflective elements on all sides for enhanced visibility
- Water-resistant external pockets for frequently accessed items
- Reinforced bottom panels to prevent sagging and protect against abrasion
- Adjustable dividers for customized internal organization
Versatile Performance Across Various Cycling Disciplines
This multifunctional bag system adapts seamlessly to virtually any cycling scenario:
- Bicycle Touring: Utilize the full 75L capacity for self-supported multi-day adventures
- Commuting: Use the main trunk bag alone for carrying work essentials and a change of clothes
- Bikepacking: Distribute weight evenly for optimal handling on technical terrain
- Shopping Trips: Deploy the full system for substantial carrying capacity
- Weekend Excursions: Configure the perfect setup for overnight adventures
- Daily Utility: Transform your bicycle into a practical transportation solution
Technical Specifications
- Total Capacity: 75 Liters
- Main Trunk: 31L (12in/31cm × 5.8in/15cm)
- Side Panniers: 22L each (13.5in/34cm × 5.9in/15cm)
- Total Width (Deployed): 19.2in (49cm)
- Material: High-density waterproof nylon with reinforced stitching
- Color: Black with high-visibility neon yellow accents and reflective strips
- Mounting: Universal rear rack compatibility
- Weather Protection: Fully waterproof construction with sealed seams
- Maximum Recommended Load: 25kg (distributed)
Engineered for Durability and Reliability
Built to withstand the demanding conditions of serious cycling, this exceptional bag system features reinforced stress points, abrasion-resistant panels in high-wear areas, and premium hardware throughout. The robust construction ensures reliable performance year after year, making this bag a worthwhile investment for dedicated cyclists.
Transform your mountain bike into the ultimate adventure and utility vehicle with our 75L Bicycle Rear Rack Bag. Whether you're planning an epic cross-country journey or enhancing your daily commute, this exceptional 3-in-1 system delivers unmatched capacity, versatility, and weather protection for cyclists who demand the very best.






