Bike Top Tube Bag-Product Description
A Bike Top Tube Bag from FMOSBAG is a rigid EVA hard-shell cycling storage bag made in Fujian, China, built to keep a smartphone, bike tools and ride essentials protected and within easy reach on the frame. Its high-sensitivity TPU touch window lets riders operate phone GPS navigation directly through the bag without taking the phone out, while the shape-resistant integrated EVA shell delivers shockproof, anti-deformation and dustproof protection on rough roads.
Splash-Proof Build & Tool-Free Frame Fit
Furthermore, this Bike Top Tube Bag uses splash-proof PU fabric with dual waterproof zippers to block road mud, dust and light rain splashes during daily rides; note that the sewn construction is designed for daily splash resistance only and is not suitable for prolonged heavy rain or soaking. The 1L body measures 240×117×93mm and weighs just 210g, with three trimmable velcro straps for a tool-free fit on the frame, an external elastic cord, an independent side mesh pocket and a built-in reflective logo for better visibility at night.

Universal Phone Fit & Bulk OEM Customization
In addition, the bag is universally compatible with 4.7–6.9 inch smartphones (maximum 160×90×9mm) and fits most road bikes, mountain bikes and folding bikes. This Top Tube Bag supports full OEM & ODM customization, including logo, color and retail packaging, for global wholesale buyers and brand distributors.
Bike Top Tube Bag-Product Specifications
| Basic Information | |
|---|---|
| Brand | FMOSBAG |
| SKU | FMO-BG-GX100 |
| Model | GX100 |
| Origin | Fujian, China |
| Product Name | EVA Hard Shell Bike Top Tube Bag with TPU Touch Window |
| Color | Black |
| Closure Type | Dual waterproof zippers |
| Size, Weight & Capacity | |
| Capacity | 1L |
| Outer Dimension | 240×117×93mm |
| Net Weight | 210g |
| Gross Weight | 220g |
| Material & Accessories | |
| Surface Material | Splash-proof PU fabric |
| Shell Material | Shape-resistant integrated EVA hard shell |
| Touch Window | High-sensitivity TPU film |
| Lining Material | Durable polyester fiber |
| Accessories | Dual waterproof zippers, reflective logo, external elastic cord, side mesh pocket, 3 trimmable velcro straps |
| Compatibility & Use | |
| Compatible Phone Size | 4.7–6.9 inch smartphones (maximum 160×90×9mm) |
| Applicable Bikes | Road bikes, mountain bikes, folding bikes and outdoor cycling vehicles with a standard top tube |
| Application Scenarios | Road cycling, mountain biking, commuting, touring and GPS navigation rides |
| Water Resistance Level | Splash & light rain proof (sewn structure, not for soaking or prolonged heavy rain) |
| Core Functions | Touch control, shockproof, anti-deformation, dustproof, night reflection, classified storage |
| Custom Options | Custom logo, bag color, embroidery or print, custom retail color box and outer packaging |
| Factory Certification & Quality Control | |
| Factory Background | Established in 2014, approx. 12 years bag manufacturing experience in Fujian, China; full OEM & ODM production |
| Certifications | ISO9001, BSCI; REACH documents available upon request |
| QC Standard | 100% pre-shipment inspection including splash resistance test, EVA shell compression resistance test, TPU touch window sensitivity test, dual waterproof zipper reciprocating test, velcro strap tensile and bar-tacking seam strength check, dimension verification and side mesh pocket check |
| Product Compliance | Eco-friendly non-toxic material, compliant with EU daily commodity standards; test reports and compliance documents provided to bulk buyers |
| Packing, Shipping & After-sales Terms | |
| Single Packaging | PE bag per piece, custom retail color box optional |
| Carton Specification | 50×50×50cm, 50pcs per carton |
| Carton Weight | Net 11kg / Gross 12.75kg |
| Shipping Methods | Sea freight, air freight, DDP and UPS/TNT/DHL/FedEx express; full export documents (invoice, packing list, BL, COO) |
| Payment Terms | T/T, 30% deposit, balance before shipment |
| Warranty & Return | 12-month factory warranty; 7-day return or exchange for workmanship defects |
| Lead Time | Pre-production samples 5–7 working days; mass production 20–25 working days after sample confirmation |
| B2B Advantage | Established in 2014 with 12 years experience, dedicated account manager, flexible MOQ for custom orders, low-volume trial orders on stock black bags, full export documentation support, every batch splash and compression tested with certificates and test reports sent to bulk buyers |
B2B Wholesale & Custom FAQ
Q1: What factory certifications and quality support do you provide for this cycling bag?
A: FMOSBAG is a professional cycling bag manufacturer in Fujian, China, established in 2014 with approx. 12 years of OEM and ODM experience. We hold ISO9001 quality system certification and BSCI factory certification, and every product passes 100% pre-shipment QC including splash resistance, compression resistance and structural durability tests. Complete qualification documents and test reports are provided to wholesale clients and brand distributors.
Q2: What is the OEM customization process and production cycle?
A: We support full customization including logo printing, color modification and exclusive packaging. Design drafts are provided within 2 working days, pre-production samples take 5–7 working days, and mass production is completed in 20–25 working days after sample approval. A dedicated account manager tracks the whole process and updates progress in real time.
Q3: What is the MOQ, and do you support small trial orders for new sellers?
A: Fully customized OEM orders offer a flexible negotiable MOQ for long-term brand cooperation. Standard non-customized black bags are available for low-volume trial orders, helping new cross-border sellers and offline retailers test market demand with low investment risk.
Q4: Is this Bike Top Tube Bag fully waterproof for outdoor cycling?
A: This bag uses splash-resistant PU fabric and dual waterproof zippers to handle light rain and road splashes. Because it is a sewn construction, it cannot achieve full waterproof performance; avoid prolonged heavy rain or soaking to extend its service life.
Q5: Can I put my phone inside this Top Tube Bag and use the touch window?
A: Yes. The bag has an independent phone space that fits smartphones from 4.7 to 6.9 inches (maximum 160×90×9mm). The sensitive TPU touch window lets you operate GPS navigation and the screen without taking the phone out while riding.
Q6: Will the velcro straps scratch my bicycle frame?
A: No. The three trimmable velcro straps are made of soft fabric and will not scratch the frame paint when installed correctly. You can adjust the binding position to reduce long-term friction, and the external elastic cord and side mesh pocket add extra storage without touching the frame.














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