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ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag
ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag is a 3L, IPX4-rated waterproof storage pouch made from 840D nylon and TPU, priced at $32.99. Ideal for road and trail cyclists needing secure, leg-friendly onboard storage for tools, phone, snacks, and repair gear without bulk.
$32.99
● In stock
Buy at Yiwu Rock Sports Goods →Price and availability may change. Click to see current details on Yiwu Rock Sports Goods.
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Key features
- 3L capacity fits tools, phone, pump, snacks
- IPX4 waterproof with TPU-coated 840D nylon
- Stiff bottle plate prevents shape deformation
- 6mm narrow profile avoids leg interference
- Dual-sided reflective logo for night safety
- 5 straps + 11 holes for secure, adjustable fit
- Double zipper access from both sides
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Pros
- +Reliable water resistance in rain and spray
- +Spacious 3L design fits most cycling essentials
- +No leg rub due to slim 6mm construction
- +Stable fit with multiple mounting options
- +Reflective logo boosts nighttime visibility
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Cons
- −Not fully submersible (IPX4 only)
- −Black color may absorb heat in direct sun
- −Limited color options available
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About ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag
What is ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag?
The ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag is a durable, weather-resistant storage solution designed to fit within the main triangle of a bicycle frame. Measuring 15.95 x 4.92 x 2.36 inches (40.5 x 12.5 x 6 cm) and weighing just 0.43 lb (198g), this 3L capacity bag offers lightweight, accessible storage for cyclists on road or trail. Constructed from 840D nylon with a TPU coating, it resists abrasion and repels water, making it ideal for all-weather riding. The bag installs securely using five hook-and-loop straps and 11 mounting points, allowing customizable fit across various frame sizes and shapes.
Key features
- 3L Large Capacity — Fits phones, tools, energy gels, CO2 pumps, and repair kits.
- IPX4 Waterproof — TPU-coated 840D nylon and sealed zippers resist rain and spray.
- Stiff Bottle Plate — Maintains shape and prevents collapse or item crushing.
- 6mm Slim Profile — Narrow design avoids leg contact during pedaling.
- Dual-Sided Reflective Logo — Enhances visibility and safety in low light.
- Double Zipper Access — Allows entry from both sides for quick reach.
- Adjustable Mounting — 5 straps and 11 holes enable secure, customizable installation.
Who is ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag for?
This frame bag suits recreational and endurance cyclists who need reliable, on-bike storage for essentials without interfering with pedaling. It's ideal for road riders, gravel bikers, and commuters seeking a low-profile, weather-resistant solution. The reflective details and stable fit also benefit night riders and long-distance tourers.
How does ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag compare?
Compared to basic neoprene or non-waterproof frame bags, the ROCKBROS model offers superior moisture protection and structural rigidity. While not fully submersible like higher-rated dry bags, its IPX4 rating handles rain and road spray effectively. It outperforms standard polypropylene or thin nylon bags in durability and shape retention, especially during multi-hour rides.
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Best use cases
- →Road cycling with onboard tool storage
- →Gravel riding in wet or dusty conditions
- →Commuting with phone, wallet, keys
- →Endurance rides needing energy gels
- →Night cycling with added reflectivity
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Is ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag right for you?
The ROCKBROS Bike Frame Bag is ideal for beginner to intermediate cyclists seeking affordable, reliable onboard storage. It suits road, gravel, and commuter bikes with standard frame geometry. If you prioritize waterproofing and space over full submersion protection, this bag delivers. Alternatives include higher-end roll-top dry bags or custom-fitted carbon frame bags for racers needing minimal weight.
How it compares: Compared to non-waterproof neoprene or polyester frame bags, this ROCKBROS model offers better weather resistance and shape retention. It’s more durable than budget options but lacks the submersion protection of premium roll-top designs.
Are There Active Yiwu Rock Sports Goods Coupons for This Product?
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Frequently Asked Questions
What does IPX4 waterproof mean for this bike bag?
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IPX4 means the bag resists water spray from any direction, making it suitable for rain and wet trail conditions. It protects against splashes and road spray but is not designed for submersion in water.
Does the bag fit all bike frame sizes?
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It fits most standard road and mountain bike frames thanks to 5 adjustable straps and 11 mounting holes. Measure your frame triangle to ensure compatibility with the 15.95-inch length.
How do you install the ROCKBROS frame bag?
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Use the included hook-and-loop straps through any of the 11 mounting holes. Attach securely around frame tubes, adjusting strap count and position for a snug, wobble-free fit.
Is the bag safe for use at night?
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Yes, the dual-sided reflective logo enhances visibility in low-light conditions, helping drivers and other riders see you during early morning or evening rides.
Can you access the bag while riding?
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Yes, the double zipper allows access from either side, letting you reach contents like energy gels or phones without dismounting, depending on your frame setup.
How much does ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag cost?
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ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag is $32.99 at Yiwu Rock Sports Goods. Prices may change — click through to Yiwu Rock Sports Goods for the latest.
Is ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag in stock at Yiwu Rock Sports Goods?
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Yes, ROCKBROS Bike Frame Bag Waterproof Bike Triangle Bag is currently in stock at Yiwu Rock Sports Goods.
Are there coupon codes for Yiwu Rock Sports Goods?
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Yes — Love Those Deals currently tracks 2 active Yiwu Rock Sports Goods coupons. See the coupons section on this page to copy a code before checkout.
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Specifications
- SKU
- AS-043
Last updated May 14, 2026