--- product_id: 363624775 title: "ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps)" brand: "rockbros" price: "€ 71.84" currency: EUR in_stock: true category: "Rockbros" url: https://www.desertcart.hr/products/363624775-rockbros-top-tube-bike-840d-nylon-waterproof-bag-bicycle-front store_origin: HR region: Croatia --- # 1.6L high-capacity storage 3-layer waterproof tech fiberboard reinforced frame ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps) **Brand:** rockbros **Price:** € 71.84 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Gear Up Smart: The Ultimate Waterproof Frame Bag for the Modern Cyclist ## Quick Answers - **What is this?** ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps) by rockbros - **How much does it cost?** € 71.84 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/363624775-rockbros-top-tube-bike-840d-nylon-waterproof-bag-bicycle-front) ## Best For - rockbros enthusiasts ## Why This Product - Trusted rockbros brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lightweight Yet Mighty:** At just 120 grams, this bag offers maximum capacity without weighing down your ride. - • **Ride Dry, Ride Confident:** Triple-layer waterproofing with sealed zipper keeps your essentials bone dry, no matter the weather. - • **Built to Endure Every Mile:** Abrasion-resistant 840D nylon paired with fiberboard sidewalls ensures a sturdy, deformation-free ride companion. - • **Snap-On, Snap-Off Convenience:** Three magic straps enable tool-free, lightning-fast installation and removal—perfect for the on-the-go pro. - • **Streamlined Storage, Zero Hassle:** Slim, ergonomic design fits phones up to 6.8", wallet, tools, and more without rubbing or bulk. ## Overview The ROCKBROS Top Tube Bike Bag combines a durable 840D nylon shell with fiberboard supports and a triple-layer waterproof system to protect your essentials on every ride. With a 1.6L capacity and a slim, ergonomic design, it fits phones up to 6.8 inches and offers quick, tool-free installation via three adjustable straps. Lightweight at 120 grams, this bag is engineered for abrasion resistance and stability, making it the perfect accessory for MTB, road, and city cyclists seeking reliable, stylish storage. ## Description desertcart.com: ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps) : Sports & Outdoors ## Features - HIGH CAPACITY: 1.6L/1L capacity and extended design-size are big enough to store your wallet, energy gel, mobile phone, gloves, repair bike tool, power bank and so on - EXTRAWATERPROOF: Three-layer waterproof material: 840D Nylon + Internal PP board +TPU material and sealed adhesive zipper, which ensure the water will not flow into the bag - DURABLE & STEADY: The main material 840D nylon can be highly abrasion proof and durable. The sidewalls of the bag have fiberboard supports, so it is not easily deformed - COMFORTABLE & CONVENIENT: The front bike bag has a long slim body. Proper space design makes you ride more smoothly and comfortable (It would not rubs against your legs while riding). And it's portable, you can take this bike pouch easily while leaving away from your bike - EASY TO INSTALL: 3 magic straps make the bag firmer on the bike frame, and is designed for quick installation and release without any other tools. Note: You can cut the backstrap yourself. Before installation, check the diameter of the top tube and check the frame for screws or fasteners ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B099NBTYCN | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #24,372 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #16 in Bike Pack Accessories | | Brand Name | ROCKBROS | | Capacity | 1.6 liters | | Closure Type | Zipper | | Color | Grid Black(Waterproof Membrane Enhanced) | | Compatible with Vehicle Type | Bicycle | | Customer Reviews | 4.4 4.4 out of 5 stars (218) | | Handle Type | Web Handle | | Item Dimensions L x W x H | 9.25"L x 2.55"W x 4.13"H | | Item Weight | 120 Grams | | Manufacturer | ROCKBROS | | Manufacturer Part Number | AS-019-2/US | | Material Type | Polyester + TPU | | Model Number | AS-019-2/US | | Mounting Type | Frame Mount | | Number of Compartments | 1 | | Pattern | Solid | | Shell Type | Hard | | Size | 1.6L | | Strap Type | Removable | | Style Name | Minimalist Outdoor | ## Product Details - **Brand:** ROCKBROS - **Color:** Grid Black(Waterproof Membrane Enhanced) - **Material:** Polyester + TPU - **Size:** 1.6L - **Vehicle Service Type:** Bicycle ## Images ![ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps) - Image 1](https://m.media-amazon.com/images/I/81u0bnmof2L.jpg) ![ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps) - Image 2](https://m.media-amazon.com/images/I/81lAslL2EZL.jpg) ![ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps) - Image 3](https://m.media-amazon.com/images/I/71B5lXcrLOL.jpg) ![ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps) - Image 4](https://m.media-amazon.com/images/I/7162uRMH3NL.jpg) ![ROCKBROS Top Tube Bike 840D Nylon Waterproof Bag Bicycle Front Frame Bag | Phone Accessories Pouch with Fiberboard Supports for MTB Road City Bike Compatible with Phone Under 6.8” (New Straps) - Image 5](https://m.media-amazon.com/images/I/71F3tJEfBnL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - ROCKBROS Bike Top Tube Bag Bicycle Front Frame Bag Waterproof Bike Pouch Pack Bike Phone Bag Cycling Accessories Pouch for Mountain Road Bike Large Upgrade - ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag Bicycle Under Top Tube Bag Corner Pouch Storage Bag for Cycling Accessories - Lamicall Bike Phone Holder, Motorcycle Phone Mount - Motorcycle Handlebar Cell Phone Clamp, Scooter Phone Clip for iPhone 15 Pro Max/Plus, 14 Pro Max, S9, S10 and More 4.7" to 6.8" Smartphones --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/363624775-rockbros-top-tube-bike-840d-nylon-waterproof-bag-bicycle-front](https://www.desertcart.hr/products/363624775-rockbros-top-tube-bike-840d-nylon-waterproof-bag-bicycle-front) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-22*