--- product_id: 806631022 title: "ROCKBROS Bike Frame Bag Under Top Tube Slim 1.9 L Large Capacity Bicycle Triangle Bag for Gravel Road Bike MTB" brand: "rockbros" price: "$83.72" currency: USD in_stock: true url: https://www.desertcart.us/products/806631022-rockbros-bike-frame-bag-under-top-tube-slim-1-9 store_origin: US region: United States of America --- # 5cm ultra-slim design 1.9L large capacity reinforced anti-collision panels ROCKBROS Bike Frame Bag Under Top Tube Slim 1.9 L Large Capacity Bicycle Triangle Bag for Gravel Road Bike MTB **Brand:** rockbros **Price:** $83.72 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Gear up smart, ride fast, and never miss a beat! ## Quick Answers - **What is this?** ROCKBROS Bike Frame Bag Under Top Tube Slim 1.9 L Large Capacity Bicycle Triangle Bag for Gravel Road Bike MTB by rockbros - **How much does it cost?** $83.72 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/806631022-rockbros-bike-frame-bag-under-top-tube-slim-1-9) ## 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 - • **Spacious 1.9L Storage:** Carry all your essentials—phone, tools, and more—without the bulk. - • **Streamlined 5cm Width:** Sleek, aerodynamic design that won’t cramp your ride or slow you down. - • **Tool-Free Quick Mount:** Snap and strap on in seconds—no extra tools, no hassle, zero shake. - • **Durable & Glove-Friendly:** Wear-resistant polyester with smooth zippers operable even with gloves on. - • **Rugged Anti-Crush Protection:** Reinforced panels keep your gear safe on the bumpiest trails. ## Overview The ROCKBROS Bike Frame Bag offers a generous 1.9L capacity in an ultra-slim 5cm profile, designed to fit seamlessly under your bike’s top tube. Built with reinforced anti-collision panels and durable polyester, it protects your essentials on rugged rides. Easy to install with velcro and snaps, it stays secure without tools or shake, while glove-friendly zippers and organized mesh pockets keep your gear accessible and safe. ## Description Brand: ROCKBROS Body Material: Polyester Clip: POM Support Plate: PE Rain Sheet Material: 70% TPU Polyurethane + 30% NYLON Weight: ≈208±5g Volume: ≈1.9L Colour: Green Suitable for: Road Bike, Mountain Bike ## Features - LARGE CAPACITY: 1.9L can hold mobile phones, glasses, air pumps, repair tools and other essentials at the same time; large side openings with zips for easier access; built-in layered mesh pockets for precise storage, say goodbye to rummaging and confusion - STREAMLINED DESIGN: The ultra-thin bag is only 5cm wide. It doesn't affect your legs and reduces wind resistance, combining speed and comfort - ANTI-COLLISION PROTECTION: Multiple reinforced support panels in the bag body, the bag body is sturdy and does not collapse. Anti-crush and deformation on bumpy roads, guarding mobile phones, glasses and other precision equipment - QUICK INSTALLATION: No additional tools required, installation in seconds. Velcro and 4 snaps can fix the bag firmly on the car frame. No shaking when shaking the bike violently, fits all standard frames - THOUGHTFUL DETAILS: Polyester wear-resistant and scratch-resistant, not easy to wrinkle, durable; smooth zip can be operated with one hand even with gloves on ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0FQP5JLLZ | | Best Sellers Rank | 250,173 in Sports & Outdoors (See Top 100 in Sports & Outdoors) 433 in Bike Frame Bags | | Brand Name | ROCKBROS | | Capacity | 1.9 litres | | Closure Type | Zipper | | Colour | Green | | Compatible With Vehicle Type | Bicycle | | Country Of Origin | China | | Manufacturer | ROCKBROS | | Manufacturer Part Number | 089 | | Material Type | Polyester | | Model Number | 089 | | Mounting Type | Strap mount | | Shell Type | Soft | | Size | 1.9L | | Style Name | bike frame bag | | Unit Count | 1 Count | ## Images ![ROCKBROS Bike Frame Bag Under Top Tube Slim 1.9 L Large Capacity Bicycle Triangle Bag for Gravel Road Bike MTB - Image 1](https://m.media-amazon.com/images/I/71kEg-T67IL.jpg) ![ROCKBROS Bike Frame Bag Under Top Tube Slim 1.9 L Large Capacity Bicycle Triangle Bag for Gravel Road Bike MTB - Image 2](https://m.media-amazon.com/images/I/71vThSqF7CL.jpg) ![ROCKBROS Bike Frame Bag Under Top Tube Slim 1.9 L Large Capacity Bicycle Triangle Bag for Gravel Road Bike MTB - Image 3](https://m.media-amazon.com/images/I/71zVKbKUQJL.jpg) ![ROCKBROS Bike Frame Bag Under Top Tube Slim 1.9 L Large Capacity Bicycle Triangle Bag for Gravel Road Bike MTB - Image 4](https://m.media-amazon.com/images/I/81lq1AH-HtL.jpg) ![ROCKBROS Bike Frame Bag Under Top Tube Slim 1.9 L Large Capacity Bicycle Triangle Bag for Gravel Road Bike MTB - Image 5](https://m.media-amazon.com/images/I/81fLdq37NCL.jpg) --- ## 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.us/products/806631022-rockbros-bike-frame-bag-under-top-tube-slim-1-9](https://www.desertcart.us/products/806631022-rockbros-bike-frame-bag-under-top-tube-slim-1-9) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-05*