# Bicycle frame bag Rockbros B39-2 waterproof black — frame-mounted storage, triangular fit

**URL:** https://aio.lv/en/product--rockbros-157316--11519320
**Data updated:** 2026-03-08 08:35 (EET)
**Category:** Kids’ Ride-On Accessories
**Manufacturer:** Rockbros
**Manufacturer code:** 157316
**EAN:** 5907769313028
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 23.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rockbros-157316--11519320

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Rockbros B39-2 is a waterproof bicycle frame bag designed to mount within the main triangle of the bike frame. It provides frame-mounted storage for tools, pump, spare tube, phone or small items. The bag attaches to the top tube and down tube with straps for a triangular fit, offering weather protection and convenient access while riding.

## Long description

The Rockbros B39-2 waterproof bicycle frame bag is a compact, triangular storage solution designed to fit within the main triangle of a bicycle frame. It mounts to the top tube and down tube with secure straps, providing a stable carry position that keeps contents accessible while riding. The bag's waterproof construction protects tools, a spare tube, phone, and other small items from rain and road spray, making it suitable for commuting, touring, and everyday rides.
Advantages
The frame-mounted design places weight close to the bike's center for better balance and handling. Waterproof materials and sealed seams reduce the risk of water ingress, while a slim triangular profile minimizes interference with pedaling and steering. Attachment straps are adjustable to fit a range of frame geometries, and external access allows quick retrieval of essentials without dismounting.
Suitable for
Commuting in mixed weather
Road and gravel rides requiring compact tool storage
Bikepacking or light touring where space efficiency is important
Everyday carry for phone, keys, and small accessories
Key specifications
Mount: top tube and down tube strap attachment for triangular fit
Material: waterproof fabric with sealed seams
Shape: slim triangular profile to fit inside the main triangle
Closure: zipper or waterproof zip system for external access
Capacity: designed for small items such as tools, spare tube, pump head, and phone
How to use
Position the bag inside the bike's main triangle and secure the straps around the top tube and down tube, adjusting tension so the bag sits firmly without shifting. Store items flat or organized to maintain the bag's slim profile and prevent movement. Use the zipper to access contents while stopped or briefly while riding if safe to do so; check that the bag does not rub against the chainstay or interfere with cables before each ride.
Usage recommendations
For best performance, periodically inspect strap tension and seam integrity. Avoid overfilling the bag to preserve waterproofing and prevent contact with moving parts. Clean the exterior with mild soap and water and allow to air dry before storage.

## FAQ

### How much does the Bicycle frame bag Rockbros B39-2 cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 149 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 15.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Rockbros products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Rockbros service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11519320/66535466_large.webp