Mountain Bike Backpack | 3-in-1 Waterproof Pannier Bag, 24L

$13.50

FMOSBAG Mountain Bike Backpack is a 3-in-1 convertible storage bag made in Fujian, China, switching in seconds between a rear rack pannier, a backpack and a handbag for daily bike commuting and long-distance touring. It is built from high-density 600D PVC coated polyester with an IPX6 roll-top buckle closure that resists heavy rain and road mud splashes, and keeps belongings dry without being designed for full submersion. The 24L body expands to 27L across a 20–35L range and measures 30×20×45cm at just 1.0kg, with a dedicated 16-inch laptop compartment, a 1.5L water bottle side mesh pocket, dual front pockets, a hidden side pocket and a built-in zipper pouch. A padded back panel and removable shoulder strap support comfortable off-bike carry, large front reflective strips boost night visibility, and an anti-theft combination lock is included. The adjustable quick-release base fits 80–180mm rack widths with 8–12mm and 13–16mm tube adapters and a 3-point fixing structure, and the mounting hardware hides inside an inner compartment when not in use. Fits road bikes, mountain bikes, city commuter bikes and touring bikes with a standard rear rack. Full OEM/ODM customization on logo, color, pattern, reflective strips and retail packaging, flexible negotiable MOQ for custom orders, small-batch trial orders on stock, 7–10 working day samples, 20–25 working day mass production, 100% pre-shipment waterproof, tensile and hardware testing for cycling brands, wholesalers and cross-border sellers.

Mountain Bike Backpack-Product Description

A Mountain Bike Backpack from FMOSBAG is a 3-in-1 convertible storage bag made in Fujian, China, switching between a rear rack pannier, a backpack and a handbag for daily commuting and long-distance touring. It is built from high-density 600D PVC coated polyester with a roll-top buckle closure for reliable water repellency, protecting belongings from rain and road mud splashes on every ride.

Organized Storage, Padded Carry & Anti-Theft Safety

Furthermore, this Mountain Bike Backpack keeps gear organized with a dedicated 16-inch laptop compartment, a 1.5L water bottle side mesh pocket, dual front pockets and a hidden side pocket; the padded back panel supports comfortable carrying, large reflective strips boost night visibility, and an anti-theft combination lock is included for extra security.

Bike Pannier Quick Release Rear Rack Mount, Black Back Panel with Red Adjustable Hooks, 80 to 180mm Flexible Width, 8-12mm and 13-16mm Adapters, 3-point Fixing, Free Combination Lock - Fmosbag - Oem Bag Manufacturer & Custom Bag Factory
Adjustable Mounting Bracket for Convertible Pannier Bag Backpack Fits Most Standard Bike Rear Racks

Hidden Mounting Hardware & Bulk OEM Customization

In addition, this Waterproof Bicycle Backpack hides its quick-release mounting hardware inside an inner compartment when off the bike, and the adjustable base fits 80–180mm rack widths with 8–12mm and 13–16mm tube adapters; full OEM & ODM customization on pattern, packaging and structure is available for global bicycle gear wholesalers.

Mountain Bike Backpack-Product Specifications

Basic Information
BrandFMOSBAG
SKUFMO-BG-JT039
Original Model No.JTMTB-039
OriginFujian, China
Product Name3-in-1 Waterproof Mountain Bike Backpack, 24L
Sales UnitSold per piece
Target UserUnisex
Closure TypeRoll-top buckle seal
Application ScenariosBike commuting, long-distance touring, outdoor day trips, daily travel
Capacity, Dimensions & Weight
Standard Capacity24L
Max Expandable Capacity27L (adjustable range 20–35L)
Product Size30×20×45cm
Net Weight1.0kg
Single Package Size55×45×10cm
Material, Structure & Accessories
Main Fabric600D high-density PVC coated polyester, tear and scratch resistant
Lining MaterialPolyester
Internal LayoutDual front pockets, 1.5L water bottle side mesh pocket, 16-inch laptop compartment, hidden side pocket, built-in zipper pouch
Mounting SystemAdjustable quick-release base (80–180mm mounting width), 8–12mm / 13–16mm tube adapters, 3-point fixing structure
Carry AccessoriesRemovable shoulder strap, soft top carry handle
Ergonomic DesignPadded back panel for comfortable long-time carrying
Safety FeatureLarge front reflective strip for enhanced night visibility
Bonus AccessoryAnti-theft combination lock included
Performance & Compatibility
Water Resistance LevelIPX6 roll-top structure, resists heavy rain and mud splash; not designed for full submersion
Compatible Bicycle ModelsRoad bikes, mountain bikes, city commuter bikes and touring bikes with a standard rear rack
Core Functions3-in-1 convertible design, expandable capacity, anti-theft lock, night reflective safety, laptop compatible
Custom OptionsCustom logo, bag color, pattern printing, reflective strip design, custom retail color box and outer packaging
Factory Certification & Quality Control
Factory BackgroundEstablished in 2014, approx. 12 years bag manufacturing experience in Fujian, China; full OEM & ODM production
Factory QualificationsISO9001, BSCI; REACH compliant, documents available upon request
QC Standard100% pre-shipment inspection including IPX6 waterproof and roll-top seal test, PVC coating check, stitch and bar-tack tensile test, quick-release base and buckle durability test, tube adapter fit check, combination lock function test, padded panel and dimension verification
Material ComplianceEco-friendly non-toxic material, REACH compliant, meets EU daily commodity standards; test reports and compliance documents provided to bulk buyers
Packing, Shipping & After-sales Terms
Single PackagingIndividual PE bag per piece; custom retail color box optional
Export Carton PackingStandard export corrugated carton, customizable per order quantity
Shipping MethodsSea freight, air freight, DDP and UPS/TNT/DHL/FedEx express; full export documents (invoice, packing list, BL, COO)
Payment TermsT/T, 30% deposit, balance before shipment
Warranty & Return12-month factory warranty; 7-day return or exchange for workmanship defects
Lead TimePre-production samples 7–10 working days; mass production 20–25 working days after sample confirmation
B2B AdvantageEstablished in 2014 with 12 years experience, dedicated account manager, flexible negotiable MOQ for custom orders, small-batch trial orders on stock, full export documentation support, every batch waterproof, tensile and hardware tested with certificates and test reports sent to bulk buyers

B2B Wholesale & Product FAQ

Q1: What factory certifications and quality support do you provide for bicycle bags?

A: FMOSBAG is a professional bicycle gear manufacturer based in Fujian, China. We hold ISO9001 quality system certification and BSCI factory audit qualification. All products go through 100% pre-shipment inspection including fabric waterproof, stitch tensile and hardware durability tests, and we provide full qualification documents for wholesale and brand clients.

Q2: What is the OEM customization process and production lead time?

A: We support full customization including pattern printing, packaging design and structural adjustment. Design drafts are sent within 2 working days after demand confirmation, pre-production samples take 7–10 working days, and mass production finishes within 20–25 working days after sample approval, with a dedicated manager tracking the whole process.

Q3: What is your minimum order quantity? Do you support trial orders?

A: The MOQ for fully customized orders with exclusive logo and packaging is negotiable based on order details. For standard stock products without customization, small-batch trial orders are acceptable, helping new cross-border sellers test market demand with low upfront cost.

Q4: Is this Mountain Bike Backpack fully waterproof for daily commuting?

A: Yes. This bag uses 600D PVC coated polyester and a roll-top sealed structure for reliable water repellency, resisting heavy rain and road mud splashes and keeping items dry during daily commuting and medium-distance touring; it is not designed for full submersion in water.

Q5: How does this Waterproof Bicycle Backpack switch between a pannier and a backpack?

A: Converting the bag takes only seconds. As a pannier, attach the adjustable quick-release base to your rear rack and lock it with the 3-point fixing system; as a backpack, hide the mounting hardware in the inner compartment and buckle on the removable shoulder strap. It can also be carried by the top handle as a handbag.

Q6: Will this convertible bag fit most standard bicycle rear racks?

A: Yes. The adjustable quick-release base supports an 80–180mm mounting width and comes with 8–12mm and 13–16mm tube adapters, fitting most standard rear racks on road bikes, mountain bikes, city commuter bikes and touring bikes, and stays stable even on bumpy roads.

重量1.35 磅
尺寸30 × 20 × 45 英寸

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