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ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi
ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi is a waterproof 600D/TPU top-tube storage solution priced at $38.99, offering 3.5 L capacity across two detachable pouches. Ideal for commuters and touring cyclists who need quick-access protection for phones, wallets and tools.
$38.99
● 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
- Waterproof 600D polyester with TPU coating and sealed zipper.
- Two 3.5 L pouches give organized storage for phone, wallet, keys.
- Hook-and-loop mount fits most top-tube diameters, tool-free install.
- Reinforced double-stitched seams resist tearing under load.
- Reflective accents improve night-time visibility.
- Lightweight under 200 g, adds minimal bulk.
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Pros
- +Fully waterproof, protects gear in rain or mud.
- +Dual pouches provide separate compartments.
- +Quick hook-and-loop attachment, no tools needed.
- +Reflective details add safety at night.
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Cons
- −Hook-and-loop may loosen with heavy, repeated loads.
- −Limited to top-tube sizes around 27.5 mm; may not fit all frames.
- −No internal organizer pockets for smaller items.
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About ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi
What is ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi?
The ROCKBROS Bike Top Tube Bag is a dual-pouch frame-mounted storage accessory designed specifically for the Super 73 electric mountain bike platform, though it fits many standard 27.5-mm top-tube profiles. Constructed from rugged 600-denier polyester with a TPU-coated interior, the bag delivers full waterproof protection against rain, mud and road spray. Each pouch holds roughly 3.5 L, enough space for a smartphone, wallet, keys, multi-tool and a small water bottle. The attachment system uses hook-and-loop strips that snap onto the tube without permanent hardware, allowing quick installation and removal. The bag’s sleek silhouette blends seamlessly with the bike’s geometry, preserving aesthetic appeal while adding functionality. Installation is tool-free, and removal leaves no residue on the frame.
Key features
- Waterproof construction — 600D polyester with TPU coating and sealed zipper keep contents dry.
- Dual-pouch capacity — Two 3.5 L compartments provide organized storage for essentials.
- Hook-and-loop mount — Tool-free attachment fits most top-tube diameters and removes cleanly.
- Reinforced seams — Double-stitched edges resist tearing under load.
- Reflective accents — Low-light visibility enhances safety on night rides.
- Lightweight design — Weighs under 200 g, adding minimal bulk to the bike.
Who is ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi for?
This bag targets daily commuters, urban explorers and weekend touring cyclists who prioritize weather-proof security for personal items. Riders who value a low-profile look and need rapid access to phones or navigation devices will appreciate the dual-pouch layout. It also serves adventure-oriented cyclists who encounter unpredictable conditions and require a reliable barrier against moisture.
How does ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi compare?
Compared with generic frame bags, the ROCKBROS model offers a higher degree of waterproofing thanks to its TPU-lined interior and sealed zipper, whereas many budget options rely on water-resistant fabrics only. Its dual-pouch design provides more organized storage than single-compartment bags, though it adds a modest amount of weight. The hook-and-loop system is faster than bolt-on mounts but may be less rigid under heavy loads than metal brackets. Overall, it balances durability, protection and convenience for the price point.
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Best use cases
- →Commuting to work in rainy weather.
- →Weekend touring with essential tools and phone.
- →Urban bike-share rides needing quick-access storage.
- →Adventure rides where mud splash is common.
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Is ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi right for you?
Buy the ROCKBROS top-tube bag if you are a daily commuter or a recreational rider who needs reliable, waterproof storage without permanent frame modifications. It suits beginners through experienced cyclists who value quick access to navigation devices and small tools. For those who prefer a single larger compartment, a traditional frame bag may be simpler, while riders demanding heavy-duty load capacity might look at metal-bracketed pannier systems. This bag balances protection, convenience and price for most urban and light-touring needs.
How it compares: Compared with generic waterproof frame bags, the ROCKBROS model offers a dual-pouch layout and a sealed TPU interior, delivering superior moisture protection. It is lighter than metal-bracketed panniers but provides less rigid load support than heavy-duty aluminum cases, positioning it as a mid-range, weather-focused option.
Are There Active Yiwu Rock Sports Goods Coupons for This Product?
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Frequently Asked Questions
What materials are used in the ROCKBROS top tube bag?
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The bag is constructed from 600-denier polyester fabric with a TPU-coated interior. All seams are double-stitched, and the zipper is a waterproof, sealed type. These materials together provide a durable, abrasion-resistant shell that keeps water out even during heavy rain or splashing through puddles.
Does the bag fit all bike frame sizes?
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The bag is designed for top-tube diameters around 27.5 mm, which matches the Super 73 platform and many standard mountain-bike frames. It can accommodate tubes from roughly 25 mm to 30 mm using the adjustable hook-and-loop straps, but very small road-bike tubes or oversized cruiser frames may require a different size.
How do I install the ROCKBROS top tube bag?
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Installation is tool-free. Peel the adhesive backing from each hook-and-loop strip, press the pads onto the clean top-tube surface, then slide each pouch onto its corresponding mount. Align the zippered opening upward for easy access, and you’re ready to ride in under a minute.
Is the zipper truly waterproof?
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Yes, the bag uses a sealed waterproof zipper with a rubberized flap that overlaps the opening. When fully closed, the zipper creates a watertight seal comparable to a dry-bag, preventing moisture from entering even when the bike is submerged in shallow water or exposed to heavy spray.
Can I use the bag for items larger than a phone?
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Absolutely. Each pouch holds up to 3.5 L, which is enough space for a small water bottle, a multi-tool, a compact first-aid kit, or a lightweight jacket in addition to a phone and wallet. The interior is open-plan, so you can arrange items as needed.
How much does ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi cost?
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ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi is $38.99 at Yiwu Rock Sports Goods. Prices may change — click through to Yiwu Rock Sports Goods for the latest.
Is ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi in stock at Yiwu Rock Sports Goods?
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Yes, ROCKBROS Bike Top Tube Bag Bike Frame Bag For Super 73Waterproof 2 pieces combi 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-075
Last updated May 14, 2026