








Delivery charges are calculated automatically at checkout and may vary depending on which warehouse your address is served from.
We offer a 14-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues.Have a 14-day no-questions-asked return right. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email service@rockbrossport.co.uk
Shop with confidence! Enjoy hassle-free exchanges within 30 days of delivery.
Estimated delivery time

Introducing a frame bag that's out of the box: the ROCKBROS Combination Triangular Bag! With its detachable design and spacious 2.5L capacity, this bag is perfect for MTB racing bike and e-bike riders. Keep your gear organized and accessible during your ride.
Combined with Hook&loop Fasteners
This 2 in 1 bicycle bag has a variety of combinations. Thanks to the hook&loop fasteners, these 2 bike bags can be used as one bag or mounted separately on different parts of the bike.
Multifunctional & Large Capacity
This triangular bag can be used as a frame bag, top tube bag or saddle bag. Total volume of approx. 2.5 liters for daily use. Our bike bag is big enough for tools, cell phones, keys, bike pump, etc.
Ergonomic Design
This bicycle frame bag is narrow and does not rub against your legs while riding. In addition, the slim body with high capacity is said to reduce wind resistance. The inner mesh pocket and the outer side pocket can help you organize and store items better.
Easy Installation
With the removable Velcro fasteners, you can mount the cycling bag anywhere on the frame or under the bike seat. It's also easy to dismantle and easy to take with you when you get off the bike.
Water repellent
The ROCKBROS bike bag is made of high-quality polyester material. Which is wear-resistant, durable and not easily deformed.
Notes
Small bag size: about 27.5 * 4.8 * 8.5cm. Big bag size: about 29 * 4.8 * 13cm. If you have any questions, please contact us, we will give you the best possible solution.
| Brand | ROCKBROS |
| Weight | 390 g |
| Total Volume | Approx. 2.5 liters |
| Materials | Polyester (Two Bags use the same material) |
| Capacity | 2.5L |
| Size | Small: about 27.5*4.8*8.5cm / Large: about 29*4.8*13cm |
| Features | Water resistant, detachable design |
Introducing a frame bag that's out of the box: the ROCKBROS Combination Triangular Bag! With its detachable design and spacious 2.5L capacity, this bag is perfect for MTB racing bike and e-bike riders. Keep your gear organized and accessible during your ride.
Combined with Hook&loop Fasteners
This 2 in 1 bicycle bag has a variety of combinations. Thanks to the hook&loop fasteners, these 2 bike bags can be used as one bag or mounted separately on different parts of the bike.
Multifunctional & Large Capacity
This triangular bag can be used as a frame bag, top tube bag or saddle bag. Total volume of approx. 2.5 liters for daily use. Our bike bag is big enough for tools, cell phones, keys, bike pump, etc.
Ergonomic Design
This bicycle frame bag is narrow and does not rub against your legs while riding. In addition, the slim body with high capacity is said to reduce wind resistance. The inner mesh pocket and the outer side pocket can help you organize and store items better.
Easy Installation
With the removable Velcro fasteners, you can mount the cycling bag anywhere on the frame or under the bike seat. It's also easy to dismantle and easy to take with you when you get off the bike.
Water repellent
The ROCKBROS bike bag is made of high-quality polyester material. Which is wear-resistant, durable and not easily deformed.
Notes
Small bag size: about 27.5 * 4.8 * 8.5cm. Big bag size: about 29 * 4.8 * 13cm. If you have any questions, please contact us, we will give you the best possible solution.
| Brand | ROCKBROS |
| Weight | 390 g |
| Total Volume | Approx. 2.5 liters |
| Materials | Polyester (Two Bags use the same material) |
| Capacity | 2.5L |
| Size | Small: about 27.5*4.8*8.5cm / Large: about 29*4.8*13cm |
| Features | Water resistant, detachable design |