















Bike Handlebar Bag Ultralight 2-in-1 Shoulder Strap 3L
Free standard UK delivery on eligible orders of £39 or more.
Orders under £39: £2.99 standard delivery.
Delivery time: 2–4 working days.
Shipping charges may vary for multi-warehouse orders, oversized items and internationally dispatched products. Final costs are shown at checkout.
We offer a 14-day return and exchange policy from the date you receive your item. Items must be unused, undamaged, with tags attached, in original packaging, and accompanied by proof of purchase.
We cover return shipping for quality issues, defective, damaged, or incorrect items. For other personal-reason returns, the customer is responsible for return shipping.
For full order cancellations within 14 days, the original standard delivery cost will be refunded. Partial returns generally do not include a refund of the original delivery cost.
Refunds will be processed within 5–7 business days after we receive and inspect your return. Please contact us before returning any item. For questions, email service@rockbrossport.co.uk.
Estimated delivery time

Description
Product Description
For folding bike commuters, every gram matters. Weighing just 156 g — lighter than most smartphones — this ROCKBROS handlebar bag is built for riders who want to carry the essentials without adding bulk to their setup. Three strong velcro straps attach directly to any handlebar without tools or adapters, leaving no marks and staying put even on cobblestones or rough paths. When you reach your destination, a simple clip of the included shoulder strap transforms it into a crossbody bag in seconds — straight from the bike to the office, the supermarket or the train. With an expandable 2.5–3L capacity and a clean, modern look in orange and green, it's the kind of everyday carry that works as hard off the bike as on it.
Key Features
Ultralight at Just 156g
Weighing less than most smartphones, this handlebar bag adds minimal weight to your folding bike setup. Ideal for minimalist commuters who want practical storage without compromising the lightweight feel of their ride.
Tool-Free Velcro Mount
Three heavy-duty velcro straps secure the bag directly to any handlebar without tools or adapters — no Brompton-specific fitting required. Stays firmly in place on cobblestones and uneven paths without leaving marks on your bars.
Water-Resistant Nylon
Lightweight nylon construction resists splashes and everyday abrasion. A foldable cover panel hides the velcro strips for a cleaner look, and external loops provide handy attachment points for keys or small accessories.
2-in-1 Shoulder Strap Design
The included shoulder strap clips on in seconds, converting the handlebar bag into a crossbody bag. Perfect for commuting, shopping or switching between bike and public transport without repacking.
Expandable 2.5–3L Capacity
A press-button mechanism expands the bag from 2.5L to 3L when you need extra room. Fits a wallet, keys, power bank and everyday essentials with ease. Available in a modern orange and green colourway that complements most folding bikes.
Product Description
For folding bike commuters, every gram matters. Weighing just 156 g — lighter than most smartphones — this ROCKBROS handlebar bag is built for riders who want to carry the essentials without adding bulk to their setup. Three strong velcro straps attach directly to any handlebar without tools or adapters, leaving no marks and staying put even on cobblestones or rough paths. When you reach your destination, a simple clip of the included shoulder strap transforms it into a crossbody bag in seconds — straight from the bike to the office, the supermarket or the train. With an expandable 2.5–3L capacity and a clean, modern look in orange and green, it's the kind of everyday carry that works as hard off the bike as on it.
Key Features
Ultralight at Just 156g
Weighing less than most smartphones, this handlebar bag adds minimal weight to your folding bike setup. Ideal for minimalist commuters who want practical storage without compromising the lightweight feel of their ride.
Tool-Free Velcro Mount
Three heavy-duty velcro straps secure the bag directly to any handlebar without tools or adapters — no Brompton-specific fitting required. Stays firmly in place on cobblestones and uneven paths without leaving marks on your bars.
Water-Resistant Nylon
Lightweight nylon construction resists splashes and everyday abrasion. A foldable cover panel hides the velcro strips for a cleaner look, and external loops provide handy attachment points for keys or small accessories.
2-in-1 Shoulder Strap Design
The included shoulder strap clips on in seconds, converting the handlebar bag into a crossbody bag. Perfect for commuting, shopping or switching between bike and public transport without repacking.
Expandable 2.5–3L Capacity
A press-button mechanism expands the bag from 2.5L to 3L when you need extra room. Fits a wallet, keys, power bank and everyday essentials with ease. Available in a modern orange and green colourway that complements most folding bikes.
Learn more
Product Information
ROCKBROS
Approx. 156 g
Nylon
2.5–3 L
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