Product Description
A waterproof top tube bag for road bike is a popular EVA hard-shell cycling storage bag designed and manufactured by FMOSBAG, a professional bag factory based in Fujian, China. Equipped with a highly sensitive TPU touch window, this rigid frame bag allows riders to operate phone GPS navigation directly without taking out the smartphone during outdoor cycling trips.
Furthermore, this waterproof top tube bag for road bike adopts premium splash-proof PU fabric and dual waterproof zippers. It effectively blocks road mud, dust and light rain splashes for daily riding protection. Note that the sewn construction is only for daily splash resistance, not suitable for prolonged heavy rain exposure or long-term water soaking.
In addition, this 1L large-capacity cycling frame bag comes with adjustable trimmable velcro straps, external elastic cord and independent side mesh pocket. The built-in reflective logo greatly improves visibility and riding safety at night or in low-light environments. Universally compatible with 4.7–6.9 inch smartphones, it fits most road bikes and mountain bikes. Full OEM & ODM customization services are available for global wholesale buyers and brand distributors.
Full Product Specifications & Compliance Information
| Basic Product Information | |
|---|---|
| Brand | FMOSBAG |
| SKU | FMO-BG-GX100 |
| Model | GX100 |
| Origin | Fujian, China |
| Color | Black |
| Capacity | 1L |
| Net Weight | 210g |
| Gross Weight | 220g |
| Outer Dimension | 240×117×93mm |
| Material & Structural Parameters | |
| 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 | Double waterproof zipper, reflective logo, external elastic cord, side mesh pocket, 3pcs trimmable velcro straps |
| Compatibility & Performance | |
| Compatible Phone Size | 4.7–6.9 inch smartphones (max size: 160×90×9mm) |
| Applicable Bikes | Road bikes, mountain bikes, folding bikes, outdoor cycling vehicles |
| Water Resistance Level | Splash & light rain proof (sewn structure, not for soaking or heavy rain) |
| Core Functions | Touch control, shockproof, anti-deformation, dustproof, night safety reflection, classified storage |
| Factory Certification & Quality Control | |
| Factory Qualification | ISO9001 quality system certification, BSCI social responsibility certification |
| QC Standard | 100% pre-shipment inspection, splash resistance test, compression resistance test, structural durability test |
| Product Compliance | Eco-friendly material, non-toxic, compliant with EU daily commodity standards |
| Packing & Shipping Specification | |
| Single Packaging | PE bag, customized retail color box optional |
| Carton Specification | 50×50×50cm, 50pcs per carton |
| Carton Weight | Net 11KG / Gross 12.75KG |
| After-sales & B2B Service | |
| Warranty Period | 12 months factory official warranty |
| Sample Lead Time | 5–7 working days |
| Bulk Production Lead Time | 20–25 working days after sample confirmation |
| Custom Service | Custom logo, custom color, custom packaging, OEM/ODM wholesale |
B2B Wholesale & Custom FAQ
Q1: What factory certifications and quality support do you provide for this waterproof top tube bag for road bike?
A: As a professional cycling bag manufacturer in Fujian, China, FMOSBAG owns ISO9001 quality system certification and BSCI factory certification. All products pass strict pre-shipment QC tests including splash resistance, compression resistance and structural durability tests. We can provide complete qualification documents and test reports for global wholesale clients and brand distributors.
Q2: What is the OEM customization process and production cycle?
A: We support full personalized customization including custom logo printing, product color modification and exclusive packaging. We provide design drafts within 2 working days, finish pre-production samples in 5–7 working days. Mass production will be completed in 20–25 working days after sample approval. A dedicated account manager tracks the whole production process and updates progress in real time.
Q3: What is the MOQ? Do you support small trial orders for new sellers?
A: Fully customized OEM orders have flexible negotiable MOQ for long-term brand cooperation. Standard non-customized black products are available for low-volume trial orders. This policy helps new cross-border sellers and offline retailers test market demand with low investment risk.
Q4: Is this top tube bag fully waterproof for outdoor cycling?
A: This waterproof top tube bag for road bike adopts splash-resistant fabric and double waterproof zippers to cope with light rain and road splashes. Since the bag is constructed by sewing, it cannot achieve full waterproof performance. Avoid long-time exposure to heavy rain or soaking in water to extend service life.
Q5: Can I put my mobile phone inside this bike top tube bag?
A: Yes. This waterproof top tube bag for road bike is designed with an independent storage space for mobile phones. It fits all smartphones ranging from 4.7 to 6.9 inches. The sensitive TPU touch window allows you to operate the phone without taking it out during riding.
Q6: Will the velcro straps scratch my bicycle frame?
A: The velcro straps equipped with this waterproof top tube bag for road bike are made of soft fabric material. When installed correctly, they will not scratch the bicycle paint. You can also adjust the binding position properly to reduce long-term friction on the frame surface.














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